19923400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 57250800

約数和(自身を除く): 37327400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 107, 133, 140, 152, 175, 190, 196, 200, 214, 245, 266, 280, 350, 380, 392, 428, 475, 490, 532, 535, 665, 700, 749, 760, 856, 931, 950, 980, 1064, 1070, 1225, 1330, 1400, 1498, 1862, 1900, 1960, 2033, 2140, 2450, 2660, 2675, 2996, 3325, 3724, 3745, 3800, 4066, 4280, 4655, 4900, 5243, 5320, 5350, 5992, 6650, 7448, 7490, 8132, 9310, 9800, 10165, 10486, 10700, 13300, 14231, 14980, 16264, 18620, 18725, 20330, 20972, 21400, 23275, 26215, 26600, 28462, 29960, 37240, 37450, 40660, 41944, 46550, 50825, 52430, 56924, 71155, 74900, 81320, 93100, 99617, 101650, 104860, 113848, 131075, 142310, 149800, 186200, 199234, 203300, 209720, 262150, 284620, 355775, 398468, 406600, 498085, 524300, 569240, 711550, 796936, 996170, 1048600, 1423100, 1992340, 2490425, 2846200, 3984680, 4980850, 9961700, 19923400]

約数ペア:

[(1, 19923400), (2, 9961700), (4, 4980850), (5, 3984680), (7, 2846200), (8, 2490425), (10, 1992340), (14, 1423100), (19, 1048600), (20, 996170), (25, 796936), (28, 711550), (35, 569240), (38, 524300), (40, 498085), (49, 406600), (50, 398468), (56, 355775), (70, 284620), (76, 262150), (95, 209720), (98, 203300), (100, 199234), (107, 186200), (133, 149800), (140, 142310), (152, 131075), (175, 113848), (190, 104860), (196, 101650), (200, 99617), (214, 93100), (245, 81320), (266, 74900), (280, 71155), (350, 56924), (380, 52430), (392, 50825), (428, 46550), (475, 41944), (490, 40660), (532, 37450), (535, 37240), (665, 29960), (700, 28462), (749, 26600), (760, 26215), (856, 23275), (931, 21400), (950, 20972), (980, 20330), (1064, 18725), (1070, 18620), (1225, 16264), (1330, 14980), (1400, 14231), (1498, 13300), (1862, 10700), (1900, 10486), (1960, 10165), (2033, 9800), (2140, 9310), (2450, 8132), (2660, 7490), (2675, 7448), (2996, 6650), (3325, 5992), (3724, 5350), (3745, 5320), (3800, 5243), (4066, 4900), (4280, 4655)]