18808440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22391}}^1$

素因数の和:22412

約数の個数: 64

約数和(自身を含む): 64488960

約数和(自身を除く): 45680520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22391, 44782, 67173, 89564, 111955, 134346, 156737, 179128, 223910, 268692, 313474, 335865, 447820, 470211, 537384, 626948, 671730, 783685, 895640, 940422, 1253896, 1343460, 1567370, 1880844, 2351055, 2686920, 3134740, 3761688, 4702110, 6269480, 9404220, 18808440]

約数ペア:

[(1, 18808440), (2, 9404220), (3, 6269480), (4, 4702110), (5, 3761688), (6, 3134740), (7, 2686920), (8, 2351055), (10, 1880844), (12, 1567370), (14, 1343460), (15, 1253896), (20, 940422), (21, 895640), (24, 783685), (28, 671730), (30, 626948), (35, 537384), (40, 470211), (42, 447820), (56, 335865), (60, 313474), (70, 268692), (84, 223910), (105, 179128), (120, 156737), (140, 134346), (168, 111955), (210, 89564), (280, 67173), (420, 44782), (840, 22391)]