19370386

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 36279360

約数和(自身を除く): 16908974

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 101, 103, 133, 202, 206, 266, 707, 721, 931, 1414, 1442, 1862, 1919, 1957, 3838, 3914, 4949, 5047, 9898, 10094, 10403, 13433, 13699, 20806, 26866, 27398, 72821, 94031, 95893, 145642, 188062, 191786, 197657, 395314, 509747, 1019494, 1383599, 2767198, 9685193, 19370386]

約数ペア:

[(1, 19370386), (2, 9685193), (7, 2767198), (14, 1383599), (19, 1019494), (38, 509747), (49, 395314), (98, 197657), (101, 191786), (103, 188062), (133, 145642), (202, 95893), (206, 94031), (266, 72821), (707, 27398), (721, 26866), (931, 20806), (1414, 13699), (1442, 13433), (1862, 10403), (1919, 10094), (1957, 9898), (3838, 5047), (3914, 4949)]