19372180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 24064556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 251, 340, 454, 502, 908, 1004, 1135, 1255, 2270, 2510, 3859, 4267, 4540, 5020, 7718, 8534, 15436, 17068, 19295, 21335, 38590, 42670, 56977, 77180, 85340, 113954, 227908, 284885, 569770, 968609, 1139540, 1937218, 3874436, 4843045, 9686090, 19372180]

約数ペア:

[(1, 19372180), (2, 9686090), (4, 4843045), (5, 3874436), (10, 1937218), (17, 1139540), (20, 968609), (34, 569770), (68, 284885), (85, 227908), (170, 113954), (227, 85340), (251, 77180), (340, 56977), (454, 42670), (502, 38590), (908, 21335), (1004, 19295), (1135, 17068), (1255, 15436), (2270, 8534), (2510, 7718), (3859, 5020), (4267, 4540)]