18738330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2135

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 31822950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2089, 2990, 4178, 4485, 6267, 8970, 10445, 12534, 20890, 27157, 31335, 48047, 54314, 62670, 81471, 96094, 135785, 144141, 162942, 240235, 271570, 288282, 407355, 480470, 624611, 720705, 814710, 1249222, 1441410, 1873833, 3123055, 3747666, 6246110, 9369165, 18738330]

約数ペア:

[(1, 18738330), (2, 9369165), (3, 6246110), (5, 3747666), (6, 3123055), (10, 1873833), (13, 1441410), (15, 1249222), (23, 814710), (26, 720705), (30, 624611), (39, 480470), (46, 407355), (65, 288282), (69, 271570), (78, 240235), (115, 162942), (130, 144141), (138, 135785), (195, 96094), (230, 81471), (299, 62670), (345, 54314), (390, 48047), (598, 31335), (690, 27157), (897, 20890), (1495, 12534), (1794, 10445), (2089, 8970), (2990, 6267), (4178, 4485)]