19465360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28745840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 149, 184, 230, 284, 298, 355, 368, 460, 568, 596, 710, 745, 920, 1136, 1192, 1420, 1490, 1633, 1840, 2384, 2840, 2980, 3266, 3427, 5680, 5960, 6532, 6854, 8165, 10579, 11920, 13064, 13708, 16330, 17135, 21158, 26128, 27416, 32660, 34270, 42316, 52895, 54832, 65320, 68540, 84632, 105790, 130640, 137080, 169264, 211580, 243317, 274160, 423160, 486634, 846320, 973268, 1216585, 1946536, 2433170, 3893072, 4866340, 9732680, 19465360]

約数ペア:

[(1, 19465360), (2, 9732680), (4, 4866340), (5, 3893072), (8, 2433170), (10, 1946536), (16, 1216585), (20, 973268), (23, 846320), (40, 486634), (46, 423160), (71, 274160), (80, 243317), (92, 211580), (115, 169264), (142, 137080), (149, 130640), (184, 105790), (230, 84632), (284, 68540), (298, 65320), (355, 54832), (368, 52895), (460, 42316), (568, 34270), (596, 32660), (710, 27416), (745, 26128), (920, 21158), (1136, 17135), (1192, 16330), (1420, 13708), (1490, 13064), (1633, 11920), (1840, 10579), (2384, 8165), (2840, 6854), (2980, 6532), (3266, 5960), (3427, 5680)]