19751552

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 43237800

約数和(自身を除く): 23486248

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 232, 272, 313, 464, 493, 544, 626, 928, 986, 1088, 1252, 1856, 1972, 2176, 2504, 3712, 3944, 5008, 5321, 7888, 9077, 10016, 10642, 15776, 18154, 20032, 21284, 31552, 36308, 40064, 42568, 63104, 72616, 85136, 145232, 154309, 170272, 290464, 308618, 340544, 580928, 617236, 681088, 1161856, 1234472, 2468944, 4937888, 9875776, 19751552]

約数ペア:

[(1, 19751552), (2, 9875776), (4, 4937888), (8, 2468944), (16, 1234472), (17, 1161856), (29, 681088), (32, 617236), (34, 580928), (58, 340544), (64, 308618), (68, 290464), (116, 170272), (128, 154309), (136, 145232), (232, 85136), (272, 72616), (313, 63104), (464, 42568), (493, 40064), (544, 36308), (626, 31552), (928, 21284), (986, 20032), (1088, 18154), (1252, 15776), (1856, 10642), (1972, 10016), (2176, 9077), (2504, 7888), (3712, 5321), (3944, 5008)]