19527820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 47980800

約数和(自身を除く): 28452980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 59, 65, 67, 76, 95, 118, 130, 134, 190, 236, 247, 260, 268, 295, 335, 380, 494, 590, 670, 767, 871, 988, 1121, 1180, 1235, 1273, 1340, 1534, 1742, 2242, 2470, 2546, 3068, 3484, 3835, 3953, 4355, 4484, 4940, 5092, 5605, 6365, 7670, 7906, 8710, 11210, 12730, 14573, 15340, 15812, 16549, 17420, 19765, 22420, 25460, 29146, 33098, 39530, 51389, 58292, 66196, 72865, 75107, 79060, 82745, 102778, 145730, 150214, 165490, 205556, 256945, 291460, 300428, 330980, 375535, 513890, 751070, 976391, 1027780, 1502140, 1952782, 3905564, 4881955, 9763910, 19527820]

約数ペア:

[(1, 19527820), (2, 9763910), (4, 4881955), (5, 3905564), (10, 1952782), (13, 1502140), (19, 1027780), (20, 976391), (26, 751070), (38, 513890), (52, 375535), (59, 330980), (65, 300428), (67, 291460), (76, 256945), (95, 205556), (118, 165490), (130, 150214), (134, 145730), (190, 102778), (236, 82745), (247, 79060), (260, 75107), (268, 72865), (295, 66196), (335, 58292), (380, 51389), (494, 39530), (590, 33098), (670, 29146), (767, 25460), (871, 22420), (988, 19765), (1121, 17420), (1180, 16549), (1235, 15812), (1273, 15340), (1340, 14573), (1534, 12730), (1742, 11210), (2242, 8710), (2470, 7906), (2546, 7670), (3068, 6365), (3484, 5605), (3835, 5092), (3953, 4940), (4355, 4484)]