18729456

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 51330048

約数和(自身を除く): 32600592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 48, 62, 82, 93, 123, 124, 164, 186, 246, 248, 307, 328, 372, 492, 496, 614, 656, 744, 921, 984, 1228, 1271, 1488, 1842, 1968, 2456, 2542, 3684, 3813, 4912, 5084, 7368, 7626, 9517, 10168, 12587, 14736, 15252, 19034, 20336, 25174, 28551, 30504, 37761, 38068, 50348, 57102, 61008, 75522, 76136, 100696, 114204, 151044, 152272, 201392, 228408, 302088, 390197, 456816, 604176, 780394, 1170591, 1560788, 2341182, 3121576, 4682364, 6243152, 9364728, 18729456]

約数ペア:

[(1, 18729456), (2, 9364728), (3, 6243152), (4, 4682364), (6, 3121576), (8, 2341182), (12, 1560788), (16, 1170591), (24, 780394), (31, 604176), (41, 456816), (48, 390197), (62, 302088), (82, 228408), (93, 201392), (123, 152272), (124, 151044), (164, 114204), (186, 100696), (246, 76136), (248, 75522), (307, 61008), (328, 57102), (372, 50348), (492, 38068), (496, 37761), (614, 30504), (656, 28551), (744, 25174), (921, 20336), (984, 19034), (1228, 15252), (1271, 14736), (1488, 12587), (1842, 10168), (1968, 9517), (2456, 7626), (2542, 7368), (3684, 5084), (3813, 4912)]