19016811

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 31569408

約数和(自身を除く): 12552597

約数列:

[1, 3, 9, 11, 33, 47, 61, 67, 99, 141, 183, 201, 423, 517, 549, 603, 671, 737, 1551, 2013, 2211, 2867, 3149, 4087, 4653, 6039, 6633, 8601, 9447, 12261, 25803, 28341, 31537, 34639, 36783, 44957, 94611, 103917, 134871, 192089, 283833, 311751, 404613, 576267, 1728801, 2112979, 6338937, 19016811]

約数ペア:

[(1, 19016811), (3, 6338937), (9, 2112979), (11, 1728801), (33, 576267), (47, 404613), (61, 311751), (67, 283833), (99, 192089), (141, 134871), (183, 103917), (201, 94611), (423, 44957), (517, 36783), (549, 34639), (603, 31537), (671, 28341), (737, 25803), (1551, 12261), (2013, 9447), (2211, 8601), (2867, 6633), (3149, 6039), (4087, 4653)]