19812888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16187}}^1$

素因数の和:16216

約数の個数: 48

約数和(自身を含む): 56819880

約数和(自身を除く): 37006992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16187, 32374, 48561, 64748, 97122, 129496, 145683, 194244, 275179, 291366, 388488, 550358, 582732, 825537, 1100716, 1165464, 1651074, 2201432, 2476611, 3302148, 4953222, 6604296, 9906444, 19812888]

約数ペア:

[(1, 19812888), (2, 9906444), (3, 6604296), (4, 4953222), (6, 3302148), (8, 2476611), (9, 2201432), (12, 1651074), (17, 1165464), (18, 1100716), (24, 825537), (34, 582732), (36, 550358), (51, 388488), (68, 291366), (72, 275179), (102, 194244), (136, 145683), (153, 129496), (204, 97122), (306, 64748), (408, 48561), (612, 32374), (1224, 16187)]