19118560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 47813976

約数和(自身を除く): 28695416

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 331, 361, 380, 608, 662, 722, 760, 1324, 1444, 1520, 1655, 1805, 2648, 2888, 3040, 3310, 3610, 5296, 5776, 6289, 6620, 7220, 10592, 11552, 12578, 13240, 14440, 25156, 26480, 28880, 31445, 50312, 52960, 57760, 62890, 100624, 119491, 125780, 201248, 238982, 251560, 477964, 503120, 597455, 955928, 1006240, 1194910, 1911856, 2389820, 3823712, 4779640, 9559280, 19118560]

約数ペア:

[(1, 19118560), (2, 9559280), (4, 4779640), (5, 3823712), (8, 2389820), (10, 1911856), (16, 1194910), (19, 1006240), (20, 955928), (32, 597455), (38, 503120), (40, 477964), (76, 251560), (80, 238982), (95, 201248), (152, 125780), (160, 119491), (190, 100624), (304, 62890), (331, 57760), (361, 52960), (380, 50312), (608, 31445), (662, 28880), (722, 26480), (760, 25156), (1324, 14440), (1444, 13240), (1520, 12578), (1655, 11552), (1805, 10592), (2648, 7220), (2888, 6620), (3040, 6289), (3310, 5776), (3610, 5296)]