72181912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1936

約数の個数: 64

約数和(自身を含む): 162259200

約数和(自身を除く): 90077288

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 184, 209, 253, 418, 437, 506, 836, 874, 1012, 1672, 1748, 1877, 2024, 3496, 3754, 4807, 7508, 9614, 15016, 19228, 20647, 35663, 38456, 41294, 43171, 71326, 82588, 86342, 142652, 165176, 172684, 285304, 345368, 392293, 474881, 784586, 820249, 949762, 1569172, 1640498, 1899524, 3138344, 3280996, 3799048, 6561992, 9022739, 18045478, 36090956, 72181912]

約数ペア:

[(1, 72181912), (2, 36090956), (4, 18045478), (8, 9022739), (11, 6561992), (19, 3799048), (22, 3280996), (23, 3138344), (38, 1899524), (44, 1640498), (46, 1569172), (76, 949762), (88, 820249), (92, 784586), (152, 474881), (184, 392293), (209, 345368), (253, 285304), (418, 172684), (437, 165176), (506, 142652), (836, 86342), (874, 82588), (1012, 71326), (1672, 43171), (1748, 41294), (1877, 38456), (2024, 35663), (3496, 20647), (3754, 19228), (4807, 15016), (7508, 9614)]