18719484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 54136320

約数和(自身を除く): 35416836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 317, 399, 444, 518, 532, 634, 703, 777, 798, 951, 1036, 1268, 1406, 1554, 1596, 1902, 2109, 2219, 2812, 3108, 3804, 4218, 4438, 4921, 6023, 6657, 8436, 8876, 9842, 11729, 12046, 13314, 14763, 18069, 19684, 23458, 24092, 26628, 29526, 35187, 36138, 42161, 46916, 59052, 70374, 72276, 82103, 84322, 126483, 140748, 164206, 168644, 222851, 246309, 252966, 328412, 445702, 492618, 505932, 668553, 891404, 985236, 1337106, 1559957, 2674212, 3119914, 4679871, 6239828, 9359742, 18719484]

約数ペア:

[(1, 18719484), (2, 9359742), (3, 6239828), (4, 4679871), (6, 3119914), (7, 2674212), (12, 1559957), (14, 1337106), (19, 985236), (21, 891404), (28, 668553), (37, 505932), (38, 492618), (42, 445702), (57, 328412), (74, 252966), (76, 246309), (84, 222851), (111, 168644), (114, 164206), (133, 140748), (148, 126483), (222, 84322), (228, 82103), (259, 72276), (266, 70374), (317, 59052), (399, 46916), (444, 42161), (518, 36138), (532, 35187), (634, 29526), (703, 26628), (777, 24092), (798, 23458), (951, 19684), (1036, 18069), (1268, 14763), (1406, 13314), (1554, 12046), (1596, 11729), (1902, 9842), (2109, 8876), (2219, 8436), (2812, 6657), (3108, 6023), (3804, 4921), (4218, 4438)]