19855257660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2251163}}^1$

素因数の和:2251192

約数の個数: 108

約数和(自身を含む): 70060726008

約数和(自身を除く): 50205468348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 2251163, 4502326, 6753489, 9004652, 11255815, 13506978, 15758141, 20260467, 22511630, 27013956, 31516282, 33767445, 40520934, 45023260, 47274423, 63032564, 67534890, 78790705, 81041868, 94548846, 101302335, 110306987, 135069780, 141823269, 157581410, 189097692, 202604670, 220613974, 236372115, 283646538, 315162820, 330920961, 405209340, 441227948, 472744230, 551534935, 567293076, 661841922, 709116345, 945488460, 992762883, 1103069870, 1323683844, 1418232690, 1654604805, 1985525766, 2206139740, 2836465380, 3309209610, 3971051532, 4963814415, 6618419220, 9927628830, 19855257660]

約数ペア:

[(1, 19855257660), (2, 9927628830), (3, 6618419220), (4, 4963814415), (5, 3971051532), (6, 3309209610), (7, 2836465380), (9, 2206139740), (10, 1985525766), (12, 1654604805), (14, 1418232690), (15, 1323683844), (18, 1103069870), (20, 992762883), (21, 945488460), (28, 709116345), (30, 661841922), (35, 567293076), (36, 551534935), (42, 472744230), (45, 441227948), (49, 405209340), (60, 330920961), (63, 315162820), (70, 283646538), (84, 236372115), (90, 220613974), (98, 202604670), (105, 189097692), (126, 157581410), (140, 141823269), (147, 135069780), (180, 110306987), (196, 101302335), (210, 94548846), (245, 81041868), (252, 78790705), (294, 67534890), (315, 63032564), (420, 47274423), (441, 45023260), (490, 40520934), (588, 33767445), (630, 31516282), (735, 27013956), (882, 22511630), (980, 20260467), (1260, 15758141), (1470, 13506978), (1764, 11255815), (2205, 9004652), (2940, 6753489), (4410, 4502326), (8820, 2251163)]