18004428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 54302976

約数和(自身を除く): 36298548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 31, 34, 36, 39, 51, 52, 62, 68, 73, 78, 93, 102, 117, 124, 146, 153, 156, 186, 204, 219, 221, 234, 279, 292, 306, 372, 403, 438, 442, 468, 527, 558, 612, 657, 663, 806, 876, 884, 949, 1054, 1116, 1209, 1241, 1314, 1326, 1581, 1612, 1898, 1989, 2108, 2263, 2418, 2482, 2628, 2652, 2847, 3162, 3627, 3723, 3796, 3978, 4526, 4743, 4836, 4964, 5694, 6324, 6789, 6851, 7254, 7446, 7956, 8541, 9052, 9486, 11169, 11388, 13578, 13702, 14508, 14892, 16133, 17082, 18972, 20367, 20553, 22338, 27156, 27404, 29419, 32266, 34164, 38471, 40734, 41106, 44676, 48399, 58838, 61659, 64532, 76942, 81468, 82212, 88257, 96798, 115413, 117676, 123318, 145197, 153884, 176514, 193596, 230826, 246636, 264771, 290394, 346239, 353028, 461652, 500123, 529542, 580788, 692478, 1000246, 1059084, 1384956, 1500369, 2000492, 3000738, 4501107, 6001476, 9002214, 18004428]

約数ペア:

[(1, 18004428), (2, 9002214), (3, 6001476), (4, 4501107), (6, 3000738), (9, 2000492), (12, 1500369), (13, 1384956), (17, 1059084), (18, 1000246), (26, 692478), (31, 580788), (34, 529542), (36, 500123), (39, 461652), (51, 353028), (52, 346239), (62, 290394), (68, 264771), (73, 246636), (78, 230826), (93, 193596), (102, 176514), (117, 153884), (124, 145197), (146, 123318), (153, 117676), (156, 115413), (186, 96798), (204, 88257), (219, 82212), (221, 81468), (234, 76942), (279, 64532), (292, 61659), (306, 58838), (372, 48399), (403, 44676), (438, 41106), (442, 40734), (468, 38471), (527, 34164), (558, 32266), (612, 29419), (657, 27404), (663, 27156), (806, 22338), (876, 20553), (884, 20367), (949, 18972), (1054, 17082), (1116, 16133), (1209, 14892), (1241, 14508), (1314, 13702), (1326, 13578), (1581, 11388), (1612, 11169), (1898, 9486), (1989, 9052), (2108, 8541), (2263, 7956), (2418, 7446), (2482, 7254), (2628, 6851), (2652, 6789), (2847, 6324), (3162, 5694), (3627, 4964), (3723, 4836), (3796, 4743), (3978, 4526)]