18303680

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 56

約数和(自身を含む): 44549568

約数和(自身を除く): 26245888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1217, 1504, 1880, 2434, 3008, 3760, 4868, 6085, 7520, 9736, 12170, 15040, 19472, 24340, 38944, 48680, 57199, 77888, 97360, 114398, 194720, 228796, 285995, 389440, 457592, 571990, 915184, 1143980, 1830368, 2287960, 3660736, 4575920, 9151840, 18303680]

約数ペア:

[(1, 18303680), (2, 9151840), (4, 4575920), (5, 3660736), (8, 2287960), (10, 1830368), (16, 1143980), (20, 915184), (32, 571990), (40, 457592), (47, 389440), (64, 285995), (80, 228796), (94, 194720), (160, 114398), (188, 97360), (235, 77888), (320, 57199), (376, 48680), (470, 38944), (752, 24340), (940, 19472), (1217, 15040), (1504, 12170), (1880, 9736), (2434, 7520), (3008, 6085), (3760, 4868)]