2019945122

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 3359880000

約数和(自身を除く): 1339934878

約数列:

[1, 2, 13, 26, 59, 118, 169, 199, 338, 398, 509, 767, 1018, 1534, 2587, 5174, 6617, 9971, 11741, 13234, 19942, 23482, 30031, 33631, 60062, 67262, 86021, 101291, 152633, 172042, 202582, 305266, 390403, 780806, 1316783, 1984229, 2633566, 3968458, 5075239, 5976169, 10150478, 11952338, 17118179, 34236358, 77690197, 155380394, 1009972561, 2019945122]

約数ペア:

[(1, 2019945122), (2, 1009972561), (13, 155380394), (26, 77690197), (59, 34236358), (118, 17118179), (169, 11952338), (199, 10150478), (338, 5976169), (398, 5075239), (509, 3968458), (767, 2633566), (1018, 1984229), (1534, 1316783), (2587, 780806), (5174, 390403), (6617, 305266), (9971, 202582), (11741, 172042), (13234, 152633), (19942, 101291), (23482, 86021), (30031, 67262), (33631, 60062)]