19426920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 62985600

約数和(自身を除く): 43558680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 107, 120, 136, 170, 178, 204, 214, 255, 267, 321, 340, 356, 408, 428, 445, 510, 534, 535, 642, 680, 712, 856, 890, 1020, 1068, 1070, 1284, 1335, 1513, 1605, 1780, 1819, 2040, 2136, 2140, 2568, 2670, 3026, 3210, 3560, 3638, 4280, 4539, 5340, 5457, 6052, 6420, 7276, 7565, 9078, 9095, 9523, 10680, 10914, 12104, 12840, 14552, 15130, 18156, 18190, 19046, 21828, 22695, 27285, 28569, 30260, 36312, 36380, 38092, 43656, 45390, 47615, 54570, 57138, 60520, 72760, 76184, 90780, 95230, 109140, 114276, 142845, 161891, 181560, 190460, 218280, 228552, 285690, 323782, 380920, 485673, 571380, 647564, 809455, 971346, 1142760, 1295128, 1618910, 1942692, 2428365, 3237820, 3885384, 4856730, 6475640, 9713460, 19426920]

約数ペア:

[(1, 19426920), (2, 9713460), (3, 6475640), (4, 4856730), (5, 3885384), (6, 3237820), (8, 2428365), (10, 1942692), (12, 1618910), (15, 1295128), (17, 1142760), (20, 971346), (24, 809455), (30, 647564), (34, 571380), (40, 485673), (51, 380920), (60, 323782), (68, 285690), (85, 228552), (89, 218280), (102, 190460), (107, 181560), (120, 161891), (136, 142845), (170, 114276), (178, 109140), (204, 95230), (214, 90780), (255, 76184), (267, 72760), (321, 60520), (340, 57138), (356, 54570), (408, 47615), (428, 45390), (445, 43656), (510, 38092), (534, 36380), (535, 36312), (642, 30260), (680, 28569), (712, 27285), (856, 22695), (890, 21828), (1020, 19046), (1068, 18190), (1070, 18156), (1284, 15130), (1335, 14552), (1513, 12840), (1605, 12104), (1780, 10914), (1819, 10680), (2040, 9523), (2136, 9095), (2140, 9078), (2568, 7565), (2670, 7276), (3026, 6420), (3210, 6052), (3560, 5457), (3638, 5340), (4280, 4539)]