18879692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 19152148

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 197, 247, 388, 394, 494, 788, 988, 1261, 1843, 2522, 2561, 3686, 3743, 5044, 5122, 7372, 7486, 10244, 14972, 19109, 23959, 38218, 47918, 48659, 76436, 95836, 97318, 194636, 248417, 363071, 496834, 726142, 993668, 1452284, 4719923, 9439846, 18879692]

約数ペア:

[(1, 18879692), (2, 9439846), (4, 4719923), (13, 1452284), (19, 993668), (26, 726142), (38, 496834), (52, 363071), (76, 248417), (97, 194636), (194, 97318), (197, 95836), (247, 76436), (388, 48659), (394, 47918), (494, 38218), (788, 23959), (988, 19109), (1261, 14972), (1843, 10244), (2522, 7486), (2561, 7372), (3686, 5122), (3743, 5044)]