18211860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 41227884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 83, 90, 92, 106, 115, 138, 159, 166, 180, 207, 212, 230, 249, 265, 276, 318, 332, 345, 414, 415, 460, 477, 498, 530, 636, 690, 747, 795, 828, 830, 954, 996, 1035, 1060, 1219, 1245, 1380, 1494, 1590, 1660, 1908, 1909, 2070, 2385, 2438, 2490, 2988, 3180, 3657, 3735, 3818, 4140, 4399, 4770, 4876, 4980, 5727, 6095, 7314, 7470, 7636, 8798, 9540, 9545, 10971, 11454, 12190, 13197, 14628, 14940, 17181, 17596, 18285, 19090, 21942, 21995, 22908, 24380, 26394, 28635, 34362, 36570, 38180, 39591, 43884, 43990, 52788, 54855, 57270, 65985, 68724, 73140, 79182, 85905, 87980, 101177, 109710, 114540, 131970, 158364, 171810, 197955, 202354, 219420, 263940, 303531, 343620, 395910, 404708, 505885, 607062, 791820, 910593, 1011770, 1214124, 1517655, 1821186, 2023540, 3035310, 3642372, 4552965, 6070620, 9105930, 18211860]

約数ペア:

[(1, 18211860), (2, 9105930), (3, 6070620), (4, 4552965), (5, 3642372), (6, 3035310), (9, 2023540), (10, 1821186), (12, 1517655), (15, 1214124), (18, 1011770), (20, 910593), (23, 791820), (30, 607062), (36, 505885), (45, 404708), (46, 395910), (53, 343620), (60, 303531), (69, 263940), (83, 219420), (90, 202354), (92, 197955), (106, 171810), (115, 158364), (138, 131970), (159, 114540), (166, 109710), (180, 101177), (207, 87980), (212, 85905), (230, 79182), (249, 73140), (265, 68724), (276, 65985), (318, 57270), (332, 54855), (345, 52788), (414, 43990), (415, 43884), (460, 39591), (477, 38180), (498, 36570), (530, 34362), (636, 28635), (690, 26394), (747, 24380), (795, 22908), (828, 21995), (830, 21942), (954, 19090), (996, 18285), (1035, 17596), (1060, 17181), (1219, 14940), (1245, 14628), (1380, 13197), (1494, 12190), (1590, 11454), (1660, 10971), (1908, 9545), (1909, 9540), (2070, 8798), (2385, 7636), (2438, 7470), (2490, 7314), (2988, 6095), (3180, 5727), (3657, 4980), (3735, 4876), (3818, 4770), (4140, 4399)]