18794230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 25073930

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1087, 1235, 1330, 1729, 2174, 2470, 3458, 5435, 7609, 8645, 10870, 14131, 15218, 17290, 20653, 28262, 38045, 41306, 70655, 76090, 98917, 103265, 141310, 144571, 197834, 206530, 268489, 289142, 494585, 536978, 722855, 989170, 1342445, 1445710, 1879423, 2684890, 3758846, 9397115, 18794230]

約数ペア:

[(1, 18794230), (2, 9397115), (5, 3758846), (7, 2684890), (10, 1879423), (13, 1445710), (14, 1342445), (19, 989170), (26, 722855), (35, 536978), (38, 494585), (65, 289142), (70, 268489), (91, 206530), (95, 197834), (130, 144571), (133, 141310), (182, 103265), (190, 98917), (247, 76090), (266, 70655), (455, 41306), (494, 38045), (665, 28262), (910, 20653), (1087, 17290), (1235, 15218), (1330, 14131), (1729, 10870), (2174, 8645), (2470, 7609), (3458, 5435)]