18938302760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{114889}}^1$

素因数の和:115230

約数の個数: 64

約数和(自身を含む): 46034125200

約数和(自身を除く): 27095822440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 1268, 1585, 2536, 3170, 4121, 6340, 8242, 12680, 16484, 20605, 32968, 41210, 82420, 114889, 164840, 229778, 459556, 574445, 919112, 1148890, 1493557, 2297780, 2987114, 4595560, 5974228, 7467785, 11948456, 14935570, 29871140, 36419813, 59742280, 72839626, 145679252, 182099065, 291358504, 364198130, 473457569, 728396260, 946915138, 1456792520, 1893830276, 2367287845, 3787660552, 4734575690, 9469151380, 18938302760]

約数ペア:

[(1, 18938302760), (2, 9469151380), (4, 4734575690), (5, 3787660552), (8, 2367287845), (10, 1893830276), (13, 1456792520), (20, 946915138), (26, 728396260), (40, 473457569), (52, 364198130), (65, 291358504), (104, 182099065), (130, 145679252), (260, 72839626), (317, 59742280), (520, 36419813), (634, 29871140), (1268, 14935570), (1585, 11948456), (2536, 7467785), (3170, 5974228), (4121, 4595560), (6340, 2987114), (8242, 2297780), (12680, 1493557), (16484, 1148890), (20605, 919112), (32968, 574445), (41210, 459556), (82420, 229778), (114889, 164840)]