19887378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11549}}^1$

素因数の和:11602

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 26682222

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11549, 23098, 34647, 69294, 80843, 161686, 242529, 473509, 485058, 947018, 1420527, 2841054, 3314563, 6629126, 9943689, 19887378]

約数ペア:

[(1, 19887378), (2, 9943689), (3, 6629126), (6, 3314563), (7, 2841054), (14, 1420527), (21, 947018), (41, 485058), (42, 473509), (82, 242529), (123, 161686), (246, 80843), (287, 69294), (574, 34647), (861, 23098), (1722, 11549)]