19213480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3394

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31589720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3359, 5720, 6718, 13436, 16795, 26872, 33590, 36949, 43667, 67180, 73898, 87334, 134360, 147796, 174668, 184745, 218335, 295592, 349336, 369490, 436670, 480337, 738980, 873340, 960674, 1477960, 1746680, 1921348, 2401685, 3842696, 4803370, 9606740, 19213480]

約数ペア:

[(1, 19213480), (2, 9606740), (4, 4803370), (5, 3842696), (8, 2401685), (10, 1921348), (11, 1746680), (13, 1477960), (20, 960674), (22, 873340), (26, 738980), (40, 480337), (44, 436670), (52, 369490), (55, 349336), (65, 295592), (88, 218335), (104, 184745), (110, 174668), (130, 147796), (143, 134360), (220, 87334), (260, 73898), (286, 67180), (440, 43667), (520, 36949), (572, 33590), (715, 26872), (1144, 16795), (1430, 13436), (2860, 6718), (3359, 5720)]