19899954

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1935

約数の個数: 48

約数和(自身を含む): 46874880

約数和(自身を除く): 26974926

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 1877, 3534, 3754, 5301, 5631, 10602, 11262, 16893, 33786, 35663, 58187, 71326, 106989, 116374, 174561, 213978, 320967, 349122, 523683, 641934, 1047366, 1105553, 2211106, 3316659, 6633318, 9949977, 19899954]

約数ペア:

[(1, 19899954), (2, 9949977), (3, 6633318), (6, 3316659), (9, 2211106), (18, 1105553), (19, 1047366), (31, 641934), (38, 523683), (57, 349122), (62, 320967), (93, 213978), (114, 174561), (171, 116374), (186, 106989), (279, 71326), (342, 58187), (558, 35663), (589, 33786), (1178, 16893), (1767, 11262), (1877, 10602), (3534, 5631), (3754, 5301)]