11986910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 25643520

約数和(自身を除く): 13656610

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 211, 230, 247, 299, 422, 437, 494, 598, 874, 1055, 1235, 1495, 2110, 2185, 2470, 2743, 2990, 4009, 4370, 4853, 5486, 5681, 8018, 9706, 11362, 13715, 20045, 24265, 27430, 28405, 40090, 48530, 52117, 56810, 63089, 92207, 104234, 126178, 184414, 260585, 315445, 461035, 521170, 630890, 922070, 1198691, 2397382, 5993455, 11986910]

約数ペア:

[(1, 11986910), (2, 5993455), (5, 2397382), (10, 1198691), (13, 922070), (19, 630890), (23, 521170), (26, 461035), (38, 315445), (46, 260585), (65, 184414), (95, 126178), (115, 104234), (130, 92207), (190, 63089), (211, 56810), (230, 52117), (247, 48530), (299, 40090), (422, 28405), (437, 27430), (494, 24265), (598, 20045), (874, 13715), (1055, 11362), (1235, 9706), (1495, 8018), (2110, 5681), (2185, 5486), (2470, 4853), (2743, 4370), (2990, 4009)]