19850196

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 50168160

約数和(自身を除く): 30317964

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 59, 69, 92, 106, 118, 138, 159, 177, 212, 236, 276, 318, 354, 529, 636, 708, 1058, 1219, 1357, 1587, 2116, 2438, 2714, 3127, 3174, 3657, 4071, 4876, 5428, 6254, 6348, 7314, 8142, 9381, 12508, 14628, 16284, 18762, 28037, 31211, 37524, 56074, 62422, 71921, 84111, 93633, 112148, 124844, 143842, 168222, 187266, 215763, 287684, 336444, 374532, 431526, 863052, 1654183, 3308366, 4962549, 6616732, 9925098, 19850196]

約数ペア:

[(1, 19850196), (2, 9925098), (3, 6616732), (4, 4962549), (6, 3308366), (12, 1654183), (23, 863052), (46, 431526), (53, 374532), (59, 336444), (69, 287684), (92, 215763), (106, 187266), (118, 168222), (138, 143842), (159, 124844), (177, 112148), (212, 93633), (236, 84111), (276, 71921), (318, 62422), (354, 56074), (529, 37524), (636, 31211), (708, 28037), (1058, 18762), (1219, 16284), (1357, 14628), (1587, 12508), (2116, 9381), (2438, 8142), (2714, 7314), (3127, 6348), (3174, 6254), (3657, 5428), (4071, 4876)]