19848990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3097

約数の個数: 64

約数和(自身を含む): 56217600

約数和(自身を除く): 36368610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3049, 3255, 6098, 6510, 9147, 15245, 18294, 21343, 30490, 42686, 45735, 64029, 91470, 94519, 106715, 128058, 189038, 213430, 283557, 320145, 472595, 567114, 640290, 661633, 945190, 1323266, 1417785, 1984899, 2835570, 3308165, 3969798, 6616330, 9924495, 19848990]

約数ペア:

[(1, 19848990), (2, 9924495), (3, 6616330), (5, 3969798), (6, 3308165), (7, 2835570), (10, 1984899), (14, 1417785), (15, 1323266), (21, 945190), (30, 661633), (31, 640290), (35, 567114), (42, 472595), (62, 320145), (70, 283557), (93, 213430), (105, 189038), (155, 128058), (186, 106715), (210, 94519), (217, 91470), (310, 64029), (434, 45735), (465, 42686), (651, 30490), (930, 21343), (1085, 18294), (1302, 15245), (2170, 9147), (3049, 6510), (3255, 6098)]