18943914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 24850518

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 47, 62, 66, 93, 94, 141, 186, 197, 282, 341, 394, 517, 591, 682, 1023, 1034, 1182, 1457, 1551, 2046, 2167, 2914, 3102, 4334, 4371, 6107, 6501, 8742, 9259, 12214, 13002, 16027, 18321, 18518, 27777, 32054, 36642, 48081, 55554, 67177, 96162, 101849, 134354, 201531, 203698, 287029, 305547, 403062, 574058, 611094, 861087, 1722174, 3157319, 6314638, 9471957, 18943914]

約数ペア:

[(1, 18943914), (2, 9471957), (3, 6314638), (6, 3157319), (11, 1722174), (22, 861087), (31, 611094), (33, 574058), (47, 403062), (62, 305547), (66, 287029), (93, 203698), (94, 201531), (141, 134354), (186, 101849), (197, 96162), (282, 67177), (341, 55554), (394, 48081), (517, 36642), (591, 32054), (682, 27777), (1023, 18518), (1034, 18321), (1182, 16027), (1457, 13002), (1551, 12214), (2046, 9259), (2167, 8742), (2914, 6501), (3102, 6107), (4334, 4371)]