19581240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23311}}^1$

素因数の和:23332

約数の個数: 64

約数和(自身を含む): 67138560

約数和(自身を除く): 47557320

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, 23311, 46622, 69933, 93244, 116555, 139866, 163177, 186488, 233110, 279732, 326354, 349665, 466220, 489531, 559464, 652708, 699330, 815885, 932440, 979062, 1305416, 1398660, 1631770, 1958124, 2447655, 2797320, 3263540, 3916248, 4895310, 6527080, 9790620, 19581240]

約数ペア:

[(1, 19581240), (2, 9790620), (3, 6527080), (4, 4895310), (5, 3916248), (6, 3263540), (7, 2797320), (8, 2447655), (10, 1958124), (12, 1631770), (14, 1398660), (15, 1305416), (20, 979062), (21, 932440), (24, 815885), (28, 699330), (30, 652708), (35, 559464), (40, 489531), (42, 466220), (56, 349665), (60, 326354), (70, 279732), (84, 233110), (105, 186488), (120, 163177), (140, 139866), (168, 116555), (210, 93244), (280, 69933), (420, 46622), (840, 23311)]