19454940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1$

素因数の和:3771

約数の個数: 72

約数和(自身を含む): 61064640

約数和(自身を除く): 41609700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3727, 5220, 7454, 11181, 14908, 18635, 22362, 33543, 37270, 44724, 55905, 67086, 74540, 108083, 111810, 134172, 167715, 216166, 223620, 324249, 335430, 432332, 540415, 648498, 670860, 972747, 1080830, 1296996, 1621245, 1945494, 2161660, 3242490, 3890988, 4863735, 6484980, 9727470, 19454940]

約数ペア:

[(1, 19454940), (2, 9727470), (3, 6484980), (4, 4863735), (5, 3890988), (6, 3242490), (9, 2161660), (10, 1945494), (12, 1621245), (15, 1296996), (18, 1080830), (20, 972747), (29, 670860), (30, 648498), (36, 540415), (45, 432332), (58, 335430), (60, 324249), (87, 223620), (90, 216166), (116, 167715), (145, 134172), (174, 111810), (180, 108083), (261, 74540), (290, 67086), (348, 55905), (435, 44724), (522, 37270), (580, 33543), (870, 22362), (1044, 18635), (1305, 14908), (1740, 11181), (2610, 7454), (3727, 5220)]