19404888

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 32435112

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 199, 204, 239, 398, 408, 478, 597, 717, 796, 956, 1194, 1434, 1592, 1912, 2388, 2868, 3383, 4063, 4776, 5736, 6766, 8126, 10149, 12189, 13532, 16252, 20298, 24378, 27064, 32504, 40596, 47561, 48756, 81192, 95122, 97512, 142683, 190244, 285366, 380488, 570732, 808537, 1141464, 1617074, 2425611, 3234148, 4851222, 6468296, 9702444, 19404888]

約数ペア:

[(1, 19404888), (2, 9702444), (3, 6468296), (4, 4851222), (6, 3234148), (8, 2425611), (12, 1617074), (17, 1141464), (24, 808537), (34, 570732), (51, 380488), (68, 285366), (102, 190244), (136, 142683), (199, 97512), (204, 95122), (239, 81192), (398, 48756), (408, 47561), (478, 40596), (597, 32504), (717, 27064), (796, 24378), (956, 20298), (1194, 16252), (1434, 13532), (1592, 12189), (1912, 10149), (2388, 8126), (2868, 6766), (3383, 5736), (4063, 4776)]