17719728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 50100960

約数和(自身を除く): 32381232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 389, 438, 584, 624, 778, 876, 949, 1167, 1168, 1556, 1752, 1898, 2334, 2847, 3112, 3504, 3796, 4668, 5057, 5694, 6224, 7592, 9336, 10114, 11388, 15171, 15184, 18672, 20228, 22776, 28397, 30342, 40456, 45552, 56794, 60684, 80912, 85191, 113588, 121368, 170382, 227176, 242736, 340764, 369161, 454352, 681528, 738322, 1107483, 1363056, 1476644, 2214966, 2953288, 4429932, 5906576, 8859864, 17719728]

約数ペア:

[(1, 17719728), (2, 8859864), (3, 5906576), (4, 4429932), (6, 2953288), (8, 2214966), (12, 1476644), (13, 1363056), (16, 1107483), (24, 738322), (26, 681528), (39, 454352), (48, 369161), (52, 340764), (73, 242736), (78, 227176), (104, 170382), (146, 121368), (156, 113588), (208, 85191), (219, 80912), (292, 60684), (312, 56794), (389, 45552), (438, 40456), (584, 30342), (624, 28397), (778, 22776), (876, 20228), (949, 18672), (1167, 15184), (1168, 15171), (1556, 11388), (1752, 10114), (1898, 9336), (2334, 7592), (2847, 6224), (3112, 5694), (3504, 5057), (3796, 4668)]