17918838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 45017856

約数和(自身を除く): 27099018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2003, 2982, 4006, 4473, 6009, 8946, 12018, 14021, 18027, 28042, 36054, 42063, 84126, 126189, 142213, 252378, 284426, 426639, 853278, 995491, 1279917, 1990982, 2559834, 2986473, 5972946, 8959419, 17918838]

約数ペア:

[(1, 17918838), (2, 8959419), (3, 5972946), (6, 2986473), (7, 2559834), (9, 1990982), (14, 1279917), (18, 995491), (21, 853278), (42, 426639), (63, 284426), (71, 252378), (126, 142213), (142, 126189), (213, 84126), (426, 42063), (497, 36054), (639, 28042), (994, 18027), (1278, 14021), (1491, 12018), (2003, 8946), (2982, 6009), (4006, 4473)]