18612685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 28949760

約数和(自身を除く): 10337075

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2153, 8645, 10765, 15071, 27989, 40907, 75355, 139945, 195923, 204535, 286349, 531791, 979615, 1431745, 2658955, 3722537, 18612685]

約数ペア:

[(1, 18612685), (5, 3722537), (7, 2658955), (13, 1431745), (19, 979615), (35, 531791), (65, 286349), (91, 204535), (95, 195923), (133, 139945), (247, 75355), (455, 40907), (665, 27989), (1235, 15071), (1729, 10765), (2153, 8645)]