19178640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:718

約数の個数: 160

約数和(自身を含む): 71245440

約数和(自身を除く): 52066800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 683, 702, 720, 780, 936, 1040, 1080, 1170, 1366, 1404, 1560, 1755, 1872, 2049, 2160, 2340, 2732, 2808, 3120, 3415, 3510, 4098, 4680, 5464, 5616, 6147, 6830, 7020, 8196, 8879, 9360, 10245, 10928, 12294, 13660, 14040, 16392, 17758, 18441, 20490, 24588, 26637, 27320, 28080, 30735, 32784, 35516, 36882, 40980, 44395, 49176, 53274, 54640, 61470, 71032, 73764, 79911, 81960, 88790, 92205, 98352, 106548, 122940, 133185, 142064, 147528, 159822, 163920, 177580, 184410, 213096, 239733, 245880, 266370, 295056, 319644, 355160, 368820, 399555, 426192, 479466, 491760, 532740, 639288, 710320, 737640, 799110, 958932, 1065480, 1198665, 1278576, 1475280, 1598220, 1917864, 2130960, 2397330, 3196440, 3835728, 4794660, 6392880, 9589320, 19178640]

約数ペア:

[(1, 19178640), (2, 9589320), (3, 6392880), (4, 4794660), (5, 3835728), (6, 3196440), (8, 2397330), (9, 2130960), (10, 1917864), (12, 1598220), (13, 1475280), (15, 1278576), (16, 1198665), (18, 1065480), (20, 958932), (24, 799110), (26, 737640), (27, 710320), (30, 639288), (36, 532740), (39, 491760), (40, 479466), (45, 426192), (48, 399555), (52, 368820), (54, 355160), (60, 319644), (65, 295056), (72, 266370), (78, 245880), (80, 239733), (90, 213096), (104, 184410), (108, 177580), (117, 163920), (120, 159822), (130, 147528), (135, 142064), (144, 133185), (156, 122940), (180, 106548), (195, 98352), (208, 92205), (216, 88790), (234, 81960), (240, 79911), (260, 73764), (270, 71032), (312, 61470), (351, 54640), (360, 53274), (390, 49176), (432, 44395), (468, 40980), (520, 36882), (540, 35516), (585, 32784), (624, 30735), (683, 28080), (702, 27320), (720, 26637), (780, 24588), (936, 20490), (1040, 18441), (1080, 17758), (1170, 16392), (1366, 14040), (1404, 13660), (1560, 12294), (1755, 10928), (1872, 10245), (2049, 9360), (2160, 8879), (2340, 8196), (2732, 7020), (2808, 6830), (3120, 6147), (3415, 5616), (3510, 5464), (4098, 4680)]