19648668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 34541412

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 204, 221, 239, 372, 403, 442, 478, 527, 663, 717, 806, 884, 956, 1054, 1209, 1326, 1434, 1581, 1612, 2108, 2418, 2652, 2868, 3107, 3162, 4063, 4836, 6214, 6324, 6851, 7409, 8126, 9321, 12189, 12428, 13702, 14818, 16252, 18642, 20553, 22227, 24378, 27404, 29636, 37284, 41106, 44454, 48756, 52819, 82212, 88908, 96317, 105638, 125953, 158457, 192634, 211276, 251906, 288951, 316914, 377859, 385268, 503812, 577902, 633828, 755718, 1155804, 1511436, 1637389, 3274778, 4912167, 6549556, 9824334, 19648668]

約数ペア:

[(1, 19648668), (2, 9824334), (3, 6549556), (4, 4912167), (6, 3274778), (12, 1637389), (13, 1511436), (17, 1155804), (26, 755718), (31, 633828), (34, 577902), (39, 503812), (51, 385268), (52, 377859), (62, 316914), (68, 288951), (78, 251906), (93, 211276), (102, 192634), (124, 158457), (156, 125953), (186, 105638), (204, 96317), (221, 88908), (239, 82212), (372, 52819), (403, 48756), (442, 44454), (478, 41106), (527, 37284), (663, 29636), (717, 27404), (806, 24378), (884, 22227), (956, 20553), (1054, 18642), (1209, 16252), (1326, 14818), (1434, 13702), (1581, 12428), (1612, 12189), (2108, 9321), (2418, 8126), (2652, 7409), (2868, 6851), (3107, 6324), (3162, 6214), (4063, 4836)]