18912840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 61378560

約数和(自身を除く): 42465720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 127, 136, 146, 170, 204, 219, 254, 255, 292, 340, 365, 381, 408, 438, 508, 510, 584, 635, 680, 730, 762, 876, 1016, 1020, 1095, 1241, 1270, 1460, 1524, 1752, 1905, 2040, 2159, 2190, 2482, 2540, 2920, 3048, 3723, 3810, 4318, 4380, 4964, 5080, 6205, 6477, 7446, 7620, 8636, 8760, 9271, 9928, 10795, 12410, 12954, 14892, 15240, 17272, 18542, 18615, 21590, 24820, 25908, 27813, 29784, 32385, 37084, 37230, 43180, 46355, 49640, 51816, 55626, 64770, 74168, 74460, 86360, 92710, 111252, 129540, 139065, 148920, 157607, 185420, 222504, 259080, 278130, 315214, 370840, 472821, 556260, 630428, 788035, 945642, 1112520, 1260856, 1576070, 1891284, 2364105, 3152140, 3782568, 4728210, 6304280, 9456420, 18912840]

約数ペア:

[(1, 18912840), (2, 9456420), (3, 6304280), (4, 4728210), (5, 3782568), (6, 3152140), (8, 2364105), (10, 1891284), (12, 1576070), (15, 1260856), (17, 1112520), (20, 945642), (24, 788035), (30, 630428), (34, 556260), (40, 472821), (51, 370840), (60, 315214), (68, 278130), (73, 259080), (85, 222504), (102, 185420), (120, 157607), (127, 148920), (136, 139065), (146, 129540), (170, 111252), (204, 92710), (219, 86360), (254, 74460), (255, 74168), (292, 64770), (340, 55626), (365, 51816), (381, 49640), (408, 46355), (438, 43180), (508, 37230), (510, 37084), (584, 32385), (635, 29784), (680, 27813), (730, 25908), (762, 24820), (876, 21590), (1016, 18615), (1020, 18542), (1095, 17272), (1241, 15240), (1270, 14892), (1460, 12954), (1524, 12410), (1752, 10795), (1905, 9928), (2040, 9271), (2159, 8760), (2190, 8636), (2482, 7620), (2540, 7446), (2920, 6477), (3048, 6205), (3723, 5080), (3810, 4964), (4318, 4380)]