18677230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 40678848

約数和(自身を除く): 22001618

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 353, 370, 407, 481, 706, 715, 814, 962, 1430, 1765, 2035, 2405, 3530, 3883, 4070, 4589, 4810, 5291, 7766, 9178, 10582, 13061, 19415, 22945, 26122, 26455, 38830, 45890, 50479, 52910, 65305, 100958, 130610, 143671, 169793, 252395, 287342, 339586, 504790, 718355, 848965, 1436710, 1697930, 1867723, 3735446, 9338615, 18677230]

約数ペア:

[(1, 18677230), (2, 9338615), (5, 3735446), (10, 1867723), (11, 1697930), (13, 1436710), (22, 848965), (26, 718355), (37, 504790), (55, 339586), (65, 287342), (74, 252395), (110, 169793), (130, 143671), (143, 130610), (185, 100958), (286, 65305), (353, 52910), (370, 50479), (407, 45890), (481, 38830), (706, 26455), (715, 26122), (814, 22945), (962, 19415), (1430, 13061), (1765, 10582), (2035, 9178), (2405, 7766), (3530, 5291), (3883, 4810), (4070, 4589)]