18507710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 20199490

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 127, 130, 190, 247, 254, 295, 494, 590, 635, 767, 1121, 1235, 1270, 1534, 1651, 2242, 2413, 2470, 3302, 3835, 4826, 5605, 7493, 7670, 8255, 11210, 12065, 14573, 14986, 16510, 24130, 29146, 31369, 37465, 62738, 72865, 74930, 97409, 142367, 145730, 156845, 194818, 284734, 313690, 487045, 711835, 974090, 1423670, 1850771, 3701542, 9253855, 18507710]

約数ペア:

[(1, 18507710), (2, 9253855), (5, 3701542), (10, 1850771), (13, 1423670), (19, 974090), (26, 711835), (38, 487045), (59, 313690), (65, 284734), (95, 194818), (118, 156845), (127, 145730), (130, 142367), (190, 97409), (247, 74930), (254, 72865), (295, 62738), (494, 37465), (590, 31369), (635, 29146), (767, 24130), (1121, 16510), (1235, 14986), (1270, 14573), (1534, 12065), (1651, 11210), (2242, 8255), (2413, 7670), (2470, 7493), (3302, 5605), (3835, 4826)]