18869220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 59552640

約数和(自身を除く): 40683420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 415, 421, 498, 540, 747, 830, 842, 996, 1245, 1263, 1494, 1660, 1684, 2105, 2241, 2490, 2526, 2988, 3735, 3789, 4210, 4482, 4980, 5052, 6315, 7470, 7578, 8420, 8964, 11205, 11367, 12630, 14940, 15156, 18945, 22410, 22734, 25260, 34943, 37890, 44820, 45468, 56835, 69886, 75780, 104829, 113670, 139772, 174715, 209658, 227340, 314487, 349430, 419316, 524145, 628974, 698860, 943461, 1048290, 1257948, 1572435, 1886922, 2096580, 3144870, 3773844, 4717305, 6289740, 9434610, 18869220]

約数ペア:

[(1, 18869220), (2, 9434610), (3, 6289740), (4, 4717305), (5, 3773844), (6, 3144870), (9, 2096580), (10, 1886922), (12, 1572435), (15, 1257948), (18, 1048290), (20, 943461), (27, 698860), (30, 628974), (36, 524145), (45, 419316), (54, 349430), (60, 314487), (83, 227340), (90, 209658), (108, 174715), (135, 139772), (166, 113670), (180, 104829), (249, 75780), (270, 69886), (332, 56835), (415, 45468), (421, 44820), (498, 37890), (540, 34943), (747, 25260), (830, 22734), (842, 22410), (996, 18945), (1245, 15156), (1263, 14940), (1494, 12630), (1660, 11367), (1684, 11205), (2105, 8964), (2241, 8420), (2490, 7578), (2526, 7470), (2988, 6315), (3735, 5052), (3789, 4980), (4210, 4482)]