20163318130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{4289}}^1$

素因数の和:4651

約数の個数: 64

約数和(自身を含む): 38733552000

約数和(自身を除く): 18570233870

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 227, 454, 545, 1090, 1135, 2071, 2270, 4142, 4289, 4313, 8578, 8626, 10355, 20710, 21445, 21565, 24743, 42890, 43130, 49486, 81491, 123715, 162982, 247430, 407455, 467501, 470117, 814910, 935002, 940234, 973603, 1947206, 2337505, 2350585, 4675010, 4701170, 4868015, 8882519, 9736030, 17765038, 18498457, 36996914, 44412595, 88825190, 92492285, 106122727, 184984570, 212245454, 530613635, 1061227270, 2016331813, 4032663626, 10081659065, 20163318130]

約数ペア:

[(1, 20163318130), (2, 10081659065), (5, 4032663626), (10, 2016331813), (19, 1061227270), (38, 530613635), (95, 212245454), (109, 184984570), (190, 106122727), (218, 92492285), (227, 88825190), (454, 44412595), (545, 36996914), (1090, 18498457), (1135, 17765038), (2071, 9736030), (2270, 8882519), (4142, 4868015), (4289, 4701170), (4313, 4675010), (8578, 2350585), (8626, 2337505), (10355, 1947206), (20710, 973603), (21445, 940234), (21565, 935002), (24743, 814910), (42890, 470117), (43130, 467501), (49486, 407455), (81491, 247430), (123715, 162982)]