2019439980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{11321}}^1$

素因数の和:12327

約数の個数: 72

約数和(自身を含む): 6132357504

約数和(自身を除く): 4112917524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 991, 1982, 2973, 3964, 4955, 5946, 8919, 9910, 11321, 11892, 14865, 17838, 19820, 22642, 29730, 33963, 35676, 44595, 45284, 56605, 59460, 67926, 89190, 101889, 113210, 135852, 169815, 178380, 203778, 226420, 339630, 407556, 509445, 679260, 1018890, 2037780, 11219111, 22438222, 33657333, 44876444, 56095555, 67314666, 100971999, 112191110, 134629332, 168286665, 201943998, 224382220, 336573330, 403887996, 504859995, 673146660, 1009719990, 2019439980]

約数ペア:

[(1, 2019439980), (2, 1009719990), (3, 673146660), (4, 504859995), (5, 403887996), (6, 336573330), (9, 224382220), (10, 201943998), (12, 168286665), (15, 134629332), (18, 112191110), (20, 100971999), (30, 67314666), (36, 56095555), (45, 44876444), (60, 33657333), (90, 22438222), (180, 11219111), (991, 2037780), (1982, 1018890), (2973, 679260), (3964, 509445), (4955, 407556), (5946, 339630), (8919, 226420), (9910, 203778), (11321, 178380), (11892, 169815), (14865, 135852), (17838, 113210), (19820, 101889), (22642, 89190), (29730, 67926), (33963, 59460), (35676, 56605), (44595, 45284)]