17943978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 41094144

約数和(自身を除く): 23150166

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 181, 186, 246, 362, 403, 533, 543, 806, 1066, 1086, 1209, 1271, 1599, 2353, 2418, 2542, 3198, 3813, 4706, 5611, 7059, 7421, 7626, 11222, 14118, 14842, 16523, 16833, 22263, 33046, 33666, 44526, 49569, 72943, 96473, 99138, 145886, 192946, 218829, 230051, 289419, 437658, 460102, 578838, 690153, 1380306, 2990663, 5981326, 8971989, 17943978]

約数ペア:

[(1, 17943978), (2, 8971989), (3, 5981326), (6, 2990663), (13, 1380306), (26, 690153), (31, 578838), (39, 460102), (41, 437658), (62, 289419), (78, 230051), (82, 218829), (93, 192946), (123, 145886), (181, 99138), (186, 96473), (246, 72943), (362, 49569), (403, 44526), (533, 33666), (543, 33046), (806, 22263), (1066, 16833), (1086, 16523), (1209, 14842), (1271, 14118), (1599, 11222), (2353, 7626), (2418, 7421), (2542, 7059), (3198, 5611), (3813, 4706)]