19490520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23203}}^1$

素因数の和:23224

約数の個数: 64

約数和(自身を含む): 66827520

約数和(自身を除く): 47337000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23203, 46406, 69609, 92812, 116015, 139218, 162421, 185624, 232030, 278436, 324842, 348045, 464060, 487263, 556872, 649684, 696090, 812105, 928120, 974526, 1299368, 1392180, 1624210, 1949052, 2436315, 2784360, 3248420, 3898104, 4872630, 6496840, 9745260, 19490520]

約数ペア:

[(1, 19490520), (2, 9745260), (3, 6496840), (4, 4872630), (5, 3898104), (6, 3248420), (7, 2784360), (8, 2436315), (10, 1949052), (12, 1624210), (14, 1392180), (15, 1299368), (20, 974526), (21, 928120), (24, 812105), (28, 696090), (30, 649684), (35, 556872), (40, 487263), (42, 464060), (56, 348045), (60, 324842), (70, 278436), (84, 232030), (105, 185624), (120, 162421), (140, 139218), (168, 116015), (210, 92812), (280, 69609), (420, 46406), (840, 23203)]