2019031880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{2659}}^1$

素因数の和:3174

約数の個数: 64

約数和(自身を含む): 4665427200

約数和(自身を除く): 2646395320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 463, 820, 926, 1640, 1852, 2315, 2659, 3704, 4630, 5318, 9260, 10636, 13295, 18520, 18983, 21272, 26590, 37966, 53180, 75932, 94915, 106360, 109019, 151864, 189830, 218038, 379660, 436076, 545095, 759320, 872152, 1090190, 1231117, 2180380, 2462234, 4360760, 4924468, 6155585, 9848936, 12311170, 24622340, 49244680, 50475797, 100951594, 201903188, 252378985, 403806376, 504757970, 1009515940, 2019031880]

約数ペア:

[(1, 2019031880), (2, 1009515940), (4, 504757970), (5, 403806376), (8, 252378985), (10, 201903188), (20, 100951594), (40, 50475797), (41, 49244680), (82, 24622340), (164, 12311170), (205, 9848936), (328, 6155585), (410, 4924468), (463, 4360760), (820, 2462234), (926, 2180380), (1640, 1231117), (1852, 1090190), (2315, 872152), (2659, 759320), (3704, 545095), (4630, 436076), (5318, 379660), (9260, 218038), (10636, 189830), (13295, 151864), (18520, 109019), (18983, 106360), (21272, 94915), (26590, 75932), (37966, 53180)]