18488704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 40783680

約数和(自身を除く): 22294976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 271, 328, 416, 533, 542, 656, 832, 1066, 1084, 1312, 1664, 2132, 2168, 2624, 3523, 4264, 4336, 5248, 7046, 8528, 8672, 11111, 14092, 17056, 17344, 22222, 28184, 34112, 34688, 44444, 56368, 68224, 88888, 112736, 144443, 177776, 225472, 288886, 355552, 450944, 577772, 711104, 1155544, 1422208, 2311088, 4622176, 9244352, 18488704]

約数ペア:

[(1, 18488704), (2, 9244352), (4, 4622176), (8, 2311088), (13, 1422208), (16, 1155544), (26, 711104), (32, 577772), (41, 450944), (52, 355552), (64, 288886), (82, 225472), (104, 177776), (128, 144443), (164, 112736), (208, 88888), (271, 68224), (328, 56368), (416, 44444), (533, 34688), (542, 34112), (656, 28184), (832, 22222), (1066, 17344), (1084, 17056), (1312, 14092), (1664, 11111), (2132, 8672), (2168, 8528), (2624, 7046), (3523, 5248), (4264, 4336)]