18986213766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1\times {\mathrm{3671}}^1$

素因数の和:4837

約数の個数: 64

約数和(自身を含む): 41613336576

約数和(自身を除く): 22627122810

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1087, 1586, 2174, 2379, 3261, 3671, 4758, 6522, 7342, 11013, 14131, 22026, 28262, 42393, 47723, 66307, 84786, 95446, 132614, 143169, 198921, 223931, 286338, 397842, 447862, 671793, 861991, 1343586, 1723982, 2585973, 2911103, 3990377, 5171946, 5822206, 7980754, 8733309, 11971131, 17466618, 23942262, 51874901, 103749802, 155624703, 243412997, 311249406, 486825994, 730238991, 1460477982, 3164368961, 6328737922, 9493106883, 18986213766]

約数ペア:

[(1, 18986213766), (2, 9493106883), (3, 6328737922), (6, 3164368961), (13, 1460477982), (26, 730238991), (39, 486825994), (61, 311249406), (78, 243412997), (122, 155624703), (183, 103749802), (366, 51874901), (793, 23942262), (1087, 17466618), (1586, 11971131), (2174, 8733309), (2379, 7980754), (3261, 5822206), (3671, 5171946), (4758, 3990377), (6522, 2911103), (7342, 2585973), (11013, 1723982), (14131, 1343586), (22026, 861991), (28262, 671793), (42393, 447862), (47723, 397842), (66307, 286338), (84786, 223931), (95446, 198921), (132614, 143169)]