18928260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8089}}^1$

素因数の和:8117

約数の個数: 72

約数和(自身を含む): 61839960

約数和(自身を除く): 42911700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8089, 16178, 24267, 32356, 40445, 48534, 72801, 80890, 97068, 105157, 121335, 145602, 161780, 210314, 242670, 291204, 315471, 364005, 420628, 485340, 525785, 630942, 728010, 946413, 1051570, 1261884, 1456020, 1577355, 1892826, 2103140, 3154710, 3785652, 4732065, 6309420, 9464130, 18928260]

約数ペア:

[(1, 18928260), (2, 9464130), (3, 6309420), (4, 4732065), (5, 3785652), (6, 3154710), (9, 2103140), (10, 1892826), (12, 1577355), (13, 1456020), (15, 1261884), (18, 1051570), (20, 946413), (26, 728010), (30, 630942), (36, 525785), (39, 485340), (45, 420628), (52, 364005), (60, 315471), (65, 291204), (78, 242670), (90, 210314), (117, 161780), (130, 145602), (156, 121335), (180, 105157), (195, 97068), (234, 80890), (260, 72801), (390, 48534), (468, 40445), (585, 32356), (780, 24267), (1170, 16178), (2340, 8089)]