19890468

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 57451520

約数和(自身を除く): 37561052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 186, 234, 279, 351, 372, 403, 457, 468, 558, 702, 806, 837, 914, 1116, 1209, 1371, 1404, 1612, 1674, 1828, 2418, 2742, 3348, 3627, 4113, 4836, 5484, 5941, 7254, 8226, 10881, 11882, 12339, 14167, 14508, 16452, 17823, 21762, 23764, 24678, 28334, 35646, 42501, 43524, 49356, 53469, 56668, 71292, 85002, 106938, 127503, 160407, 170004, 184171, 213876, 255006, 320814, 368342, 382509, 510012, 552513, 641628, 736684, 765018, 1105026, 1530036, 1657539, 2210052, 3315078, 4972617, 6630156, 9945234, 19890468]

約数ペア:

[(1, 19890468), (2, 9945234), (3, 6630156), (4, 4972617), (6, 3315078), (9, 2210052), (12, 1657539), (13, 1530036), (18, 1105026), (26, 765018), (27, 736684), (31, 641628), (36, 552513), (39, 510012), (52, 382509), (54, 368342), (62, 320814), (78, 255006), (93, 213876), (108, 184171), (117, 170004), (124, 160407), (156, 127503), (186, 106938), (234, 85002), (279, 71292), (351, 56668), (372, 53469), (403, 49356), (457, 43524), (468, 42501), (558, 35646), (702, 28334), (806, 24678), (837, 23764), (914, 21762), (1116, 17823), (1209, 16452), (1371, 14508), (1404, 14167), (1612, 12339), (1674, 11882), (1828, 10881), (2418, 8226), (2742, 7254), (3348, 5941), (3627, 5484), (4113, 4836)]