19519764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 53813760

約数和(自身を除く): 34293996

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 43, 44, 57, 66, 76, 86, 114, 129, 132, 172, 181, 209, 228, 258, 362, 418, 473, 516, 543, 627, 724, 817, 836, 946, 1086, 1254, 1419, 1634, 1892, 1991, 2172, 2451, 2508, 2838, 3268, 3439, 3982, 4902, 5676, 5973, 6878, 7783, 7964, 8987, 9804, 10317, 11946, 13756, 15566, 17974, 20634, 23349, 23892, 26961, 31132, 35948, 37829, 41268, 46698, 53922, 75658, 85613, 93396, 107844, 113487, 147877, 151316, 171226, 226974, 256839, 295754, 342452, 443631, 453948, 513678, 591508, 887262, 1027356, 1626647, 1774524, 3253294, 4879941, 6506588, 9759882, 19519764]

約数ペア:

[(1, 19519764), (2, 9759882), (3, 6506588), (4, 4879941), (6, 3253294), (11, 1774524), (12, 1626647), (19, 1027356), (22, 887262), (33, 591508), (38, 513678), (43, 453948), (44, 443631), (57, 342452), (66, 295754), (76, 256839), (86, 226974), (114, 171226), (129, 151316), (132, 147877), (172, 113487), (181, 107844), (209, 93396), (228, 85613), (258, 75658), (362, 53922), (418, 46698), (473, 41268), (516, 37829), (543, 35948), (627, 31132), (724, 26961), (817, 23892), (836, 23349), (946, 20634), (1086, 17974), (1254, 15566), (1419, 13756), (1634, 11946), (1892, 10317), (1991, 9804), (2172, 8987), (2451, 7964), (2508, 7783), (2838, 6878), (3268, 5973), (3439, 5676), (3982, 4902)]