19732988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 24393220

約数列:

[1, 2, 4, 11, 17, 22, 23, 31, 34, 37, 44, 46, 62, 68, 74, 92, 124, 148, 187, 253, 341, 374, 391, 407, 506, 527, 629, 682, 713, 748, 782, 814, 851, 1012, 1054, 1147, 1258, 1364, 1426, 1564, 1628, 1702, 2108, 2294, 2516, 2852, 3404, 4301, 4588, 5797, 6919, 7843, 8602, 9361, 11594, 12121, 12617, 13838, 14467, 15686, 17204, 18722, 19499, 23188, 24242, 25234, 26381, 27676, 28934, 31372, 37444, 38998, 48484, 50468, 52762, 57868, 77996, 105524, 133331, 159137, 214489, 266662, 290191, 318274, 428978, 448477, 533324, 580382, 636548, 857956, 896954, 1160764, 1793908, 4933247, 9866494, 19732988]

約数ペア:

[(1, 19732988), (2, 9866494), (4, 4933247), (11, 1793908), (17, 1160764), (22, 896954), (23, 857956), (31, 636548), (34, 580382), (37, 533324), (44, 448477), (46, 428978), (62, 318274), (68, 290191), (74, 266662), (92, 214489), (124, 159137), (148, 133331), (187, 105524), (253, 77996), (341, 57868), (374, 52762), (391, 50468), (407, 48484), (506, 38998), (527, 37444), (629, 31372), (682, 28934), (713, 27676), (748, 26381), (782, 25234), (814, 24242), (851, 23188), (1012, 19499), (1054, 18722), (1147, 17204), (1258, 15686), (1364, 14467), (1426, 13838), (1564, 12617), (1628, 12121), (1702, 11594), (2108, 9361), (2294, 8602), (2516, 7843), (2852, 6919), (3404, 5797), (4301, 4588)]