19833840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 180

約数和(自身を含む): 72569016

約数和(自身を除く): 52735176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 163, 169, 180, 195, 208, 234, 240, 260, 312, 326, 338, 360, 390, 468, 489, 507, 520, 585, 624, 652, 676, 720, 780, 815, 845, 936, 978, 1014, 1040, 1170, 1304, 1352, 1467, 1521, 1560, 1630, 1690, 1872, 1956, 2028, 2119, 2340, 2445, 2535, 2608, 2704, 2934, 3042, 3120, 3260, 3380, 3912, 4056, 4238, 4680, 4890, 5070, 5868, 6084, 6357, 6520, 6760, 7335, 7605, 7824, 8112, 8476, 9360, 9780, 10140, 10595, 11736, 12168, 12714, 13040, 13520, 14670, 15210, 16952, 19071, 19560, 20280, 21190, 23472, 24336, 25428, 27547, 29340, 30420, 31785, 33904, 38142, 39120, 40560, 42380, 50856, 55094, 58680, 60840, 63570, 76284, 82641, 84760, 95355, 101712, 110188, 117360, 121680, 127140, 137735, 152568, 165282, 169520, 190710, 220376, 247923, 254280, 275470, 305136, 330564, 381420, 413205, 440752, 495846, 508560, 550940, 661128, 762840, 826410, 991692, 1101880, 1239615, 1322256, 1525680, 1652820, 1983384, 2203760, 2479230, 3305640, 3966768, 4958460, 6611280, 9916920, 19833840]

約数ペア:

[(1, 19833840), (2, 9916920), (3, 6611280), (4, 4958460), (5, 3966768), (6, 3305640), (8, 2479230), (9, 2203760), (10, 1983384), (12, 1652820), (13, 1525680), (15, 1322256), (16, 1239615), (18, 1101880), (20, 991692), (24, 826410), (26, 762840), (30, 661128), (36, 550940), (39, 508560), (40, 495846), (45, 440752), (48, 413205), (52, 381420), (60, 330564), (65, 305136), (72, 275470), (78, 254280), (80, 247923), (90, 220376), (104, 190710), (117, 169520), (120, 165282), (130, 152568), (144, 137735), (156, 127140), (163, 121680), (169, 117360), (180, 110188), (195, 101712), (208, 95355), (234, 84760), (240, 82641), (260, 76284), (312, 63570), (326, 60840), (338, 58680), (360, 55094), (390, 50856), (468, 42380), (489, 40560), (507, 39120), (520, 38142), (585, 33904), (624, 31785), (652, 30420), (676, 29340), (720, 27547), (780, 25428), (815, 24336), (845, 23472), (936, 21190), (978, 20280), (1014, 19560), (1040, 19071), (1170, 16952), (1304, 15210), (1352, 14670), (1467, 13520), (1521, 13040), (1560, 12714), (1630, 12168), (1690, 11736), (1872, 10595), (1956, 10140), (2028, 9780), (2119, 9360), (2340, 8476), (2445, 8112), (2535, 7824), (2608, 7605), (2704, 7335), (2934, 6760), (3042, 6520), (3120, 6357), (3260, 6084), (3380, 5868), (3912, 5070), (4056, 4890), (4238, 4680)]