19931380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 51609600

約数和(自身を除く): 31678220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 59, 70, 76, 95, 118, 127, 133, 140, 190, 236, 254, 266, 295, 380, 413, 508, 532, 590, 635, 665, 826, 889, 1121, 1180, 1270, 1330, 1652, 1778, 2065, 2242, 2413, 2540, 2660, 3556, 4130, 4445, 4484, 4826, 5605, 7493, 7847, 8260, 8890, 9652, 11210, 12065, 14986, 15694, 16891, 17780, 22420, 24130, 29972, 31388, 33782, 37465, 39235, 48260, 52451, 67564, 74930, 78470, 84455, 104902, 142367, 149860, 156940, 168910, 209804, 262255, 284734, 337820, 524510, 569468, 711835, 996569, 1049020, 1423670, 1993138, 2847340, 3986276, 4982845, 9965690, 19931380]

約数ペア:

[(1, 19931380), (2, 9965690), (4, 4982845), (5, 3986276), (7, 2847340), (10, 1993138), (14, 1423670), (19, 1049020), (20, 996569), (28, 711835), (35, 569468), (38, 524510), (59, 337820), (70, 284734), (76, 262255), (95, 209804), (118, 168910), (127, 156940), (133, 149860), (140, 142367), (190, 104902), (236, 84455), (254, 78470), (266, 74930), (295, 67564), (380, 52451), (413, 48260), (508, 39235), (532, 37465), (590, 33782), (635, 31388), (665, 29972), (826, 24130), (889, 22420), (1121, 17780), (1180, 16891), (1270, 15694), (1330, 14986), (1652, 12065), (1778, 11210), (2065, 9652), (2242, 8890), (2413, 8260), (2540, 7847), (2660, 7493), (3556, 5605), (4130, 4826), (4445, 4484)]