19013984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 23987296

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 2843, 3344, 5686, 6688, 11372, 22744, 31273, 45488, 54017, 62546, 90976, 108034, 125092, 216068, 250184, 432136, 500368, 594187, 864272, 1000736, 1188374, 1728544, 2376748, 4753496, 9506992, 19013984]

約数ペア:

[(1, 19013984), (2, 9506992), (4, 4753496), (8, 2376748), (11, 1728544), (16, 1188374), (19, 1000736), (22, 864272), (32, 594187), (38, 500368), (44, 432136), (76, 250184), (88, 216068), (152, 125092), (176, 108034), (209, 90976), (304, 62546), (352, 54017), (418, 45488), (608, 31273), (836, 22744), (1672, 11372), (2843, 6688), (3344, 5686)]