18522735

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 39398400

約数和(自身を除く): 20875665

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 49, 55, 77, 79, 87, 105, 145, 147, 165, 203, 231, 237, 245, 319, 385, 395, 435, 539, 553, 609, 735, 869, 957, 1015, 1155, 1185, 1421, 1595, 1617, 1659, 2233, 2291, 2607, 2695, 2765, 3045, 3871, 4263, 4345, 4785, 6083, 6699, 6873, 7105, 8085, 8295, 11165, 11455, 11613, 13035, 15631, 16037, 18249, 19355, 21315, 25201, 30415, 33495, 34365, 42581, 46893, 48111, 58065, 75603, 78155, 80185, 91245, 112259, 126005, 127743, 176407, 212905, 234465, 240555, 336777, 378015, 529221, 561295, 638715, 882035, 1234849, 1683885, 2646105, 3704547, 6174245, 18522735]

約数ペア:

[(1, 18522735), (3, 6174245), (5, 3704547), (7, 2646105), (11, 1683885), (15, 1234849), (21, 882035), (29, 638715), (33, 561295), (35, 529221), (49, 378015), (55, 336777), (77, 240555), (79, 234465), (87, 212905), (105, 176407), (145, 127743), (147, 126005), (165, 112259), (203, 91245), (231, 80185), (237, 78155), (245, 75603), (319, 58065), (385, 48111), (395, 46893), (435, 42581), (539, 34365), (553, 33495), (609, 30415), (735, 25201), (869, 21315), (957, 19355), (1015, 18249), (1155, 16037), (1185, 15631), (1421, 13035), (1595, 11613), (1617, 11455), (1659, 11165), (2233, 8295), (2291, 8085), (2607, 7105), (2695, 6873), (2765, 6699), (3045, 6083), (3871, 4785), (4263, 4345)]