19916028

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2687

約数の個数: 72

約数和(自身を含む): 57832320

約数和(自身を除く): 37916292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2647, 3762, 5294, 7524, 7941, 10588, 15882, 23823, 29117, 31764, 47646, 50293, 58234, 87351, 95292, 100586, 116468, 150879, 174702, 201172, 262053, 301758, 349404, 452637, 524106, 553223, 603516, 905274, 1048212, 1106446, 1659669, 1810548, 2212892, 3319338, 4979007, 6638676, 9958014, 19916028]

約数ペア:

[(1, 19916028), (2, 9958014), (3, 6638676), (4, 4979007), (6, 3319338), (9, 2212892), (11, 1810548), (12, 1659669), (18, 1106446), (19, 1048212), (22, 905274), (33, 603516), (36, 553223), (38, 524106), (44, 452637), (57, 349404), (66, 301758), (76, 262053), (99, 201172), (114, 174702), (132, 150879), (171, 116468), (198, 100586), (209, 95292), (228, 87351), (342, 58234), (396, 50293), (418, 47646), (627, 31764), (684, 29117), (836, 23823), (1254, 15882), (1881, 10588), (2508, 7941), (2647, 7524), (3762, 5294)]