19109220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24499}}^1$

素因数の和:24524

約数の個数: 48

約数和(自身を含む): 57624000

約数和(自身を除く): 38514780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24499, 48998, 73497, 97996, 122495, 146994, 244990, 293988, 318487, 367485, 489980, 636974, 734970, 955461, 1273948, 1469940, 1592435, 1910922, 3184870, 3821844, 4777305, 6369740, 9554610, 19109220]

約数ペア:

[(1, 19109220), (2, 9554610), (3, 6369740), (4, 4777305), (5, 3821844), (6, 3184870), (10, 1910922), (12, 1592435), (13, 1469940), (15, 1273948), (20, 955461), (26, 734970), (30, 636974), (39, 489980), (52, 367485), (60, 318487), (65, 293988), (78, 244990), (130, 146994), (156, 122495), (195, 97996), (260, 73497), (390, 48998), (780, 24499)]