19423794

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 44835840

約数和(自身を除く): 25412046

約数列:

[1, 2, 3, 6, 13, 26, 29, 31, 39, 58, 62, 78, 87, 93, 174, 186, 277, 377, 403, 554, 754, 806, 831, 899, 1131, 1209, 1662, 1798, 2262, 2418, 2697, 3601, 5394, 7202, 8033, 8587, 10803, 11687, 16066, 17174, 21606, 23374, 24099, 25761, 35061, 48198, 51522, 70122, 104429, 111631, 208858, 223262, 249023, 313287, 334893, 498046, 626574, 669786, 747069, 1494138, 3237299, 6474598, 9711897, 19423794]

約数ペア:

[(1, 19423794), (2, 9711897), (3, 6474598), (6, 3237299), (13, 1494138), (26, 747069), (29, 669786), (31, 626574), (39, 498046), (58, 334893), (62, 313287), (78, 249023), (87, 223262), (93, 208858), (174, 111631), (186, 104429), (277, 70122), (377, 51522), (403, 48198), (554, 35061), (754, 25761), (806, 24099), (831, 23374), (899, 21606), (1131, 17174), (1209, 16066), (1662, 11687), (1798, 10803), (2262, 8587), (2418, 8033), (2697, 7202), (3601, 5394)]