18023980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 23070164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 383, 724, 766, 905, 1532, 1810, 1915, 2353, 3620, 3830, 4706, 4979, 7660, 9412, 9958, 11765, 19916, 23530, 24895, 47060, 49790, 69323, 99580, 138646, 277292, 346615, 693230, 901199, 1386460, 1802398, 3604796, 4505995, 9011990, 18023980]

約数ペア:

[(1, 18023980), (2, 9011990), (4, 4505995), (5, 3604796), (10, 1802398), (13, 1386460), (20, 901199), (26, 693230), (52, 346615), (65, 277292), (130, 138646), (181, 99580), (260, 69323), (362, 49790), (383, 47060), (724, 24895), (766, 23530), (905, 19916), (1532, 11765), (1810, 9958), (1915, 9412), (2353, 7660), (3620, 4979), (3830, 4706)]