19873410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 30515070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 53, 58, 87, 106, 145, 159, 174, 265, 290, 318, 431, 435, 530, 795, 862, 870, 1293, 1537, 1590, 2155, 2586, 3074, 4310, 4611, 6465, 7685, 9222, 12499, 12930, 15370, 22843, 23055, 24998, 37497, 45686, 46110, 62495, 68529, 74994, 114215, 124990, 137058, 187485, 228430, 342645, 374970, 662447, 685290, 1324894, 1987341, 3312235, 3974682, 6624470, 9936705, 19873410]

約数ペア:

[(1, 19873410), (2, 9936705), (3, 6624470), (5, 3974682), (6, 3312235), (10, 1987341), (15, 1324894), (29, 685290), (30, 662447), (53, 374970), (58, 342645), (87, 228430), (106, 187485), (145, 137058), (159, 124990), (174, 114215), (265, 74994), (290, 68529), (318, 62495), (431, 46110), (435, 45686), (530, 37497), (795, 24998), (862, 23055), (870, 22843), (1293, 15370), (1537, 12930), (1590, 12499), (2155, 9222), (2586, 7685), (3074, 6465), (4310, 4611)]