18019144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 41832000

約数和(自身を除く): 23812856

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 829, 836, 988, 1144, 1658, 1672, 1976, 2717, 3316, 5434, 6632, 9119, 10777, 10868, 15751, 18238, 21554, 21736, 31502, 36476, 43108, 63004, 72952, 86216, 118547, 126008, 173261, 204763, 237094, 346522, 409526, 474188, 693044, 819052, 948376, 1386088, 1638104, 2252393, 4504786, 9009572, 18019144]

約数ペア:

[(1, 18019144), (2, 9009572), (4, 4504786), (8, 2252393), (11, 1638104), (13, 1386088), (19, 948376), (22, 819052), (26, 693044), (38, 474188), (44, 409526), (52, 346522), (76, 237094), (88, 204763), (104, 173261), (143, 126008), (152, 118547), (209, 86216), (247, 72952), (286, 63004), (418, 43108), (494, 36476), (572, 31502), (829, 21736), (836, 21554), (988, 18238), (1144, 15751), (1658, 10868), (1672, 10777), (1976, 9119), (2717, 6632), (3316, 5434)]