19109870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8647}}^1$

素因数の和:8684

約数の個数: 32

約数和(自身を含む): 39227328

約数和(自身を除く): 20117458

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8647, 17294, 43235, 86470, 112411, 146999, 224822, 293998, 562055, 734995, 1124110, 1469990, 1910987, 3821974, 9554935, 19109870]

約数ペア:

[(1, 19109870), (2, 9554935), (5, 3821974), (10, 1910987), (13, 1469990), (17, 1124110), (26, 734995), (34, 562055), (65, 293998), (85, 224822), (130, 146999), (170, 112411), (221, 86470), (442, 43235), (1105, 17294), (2210, 8647)]