19280992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 42642936

約数和(自身を除く): 23361944

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 67, 68, 92, 134, 136, 184, 268, 272, 368, 391, 529, 536, 544, 736, 782, 1058, 1072, 1139, 1541, 1564, 2116, 2144, 2278, 3082, 3128, 4232, 4556, 6164, 6256, 8464, 8993, 9112, 12328, 12512, 16928, 17986, 18224, 24656, 26197, 35443, 35972, 36448, 49312, 52394, 70886, 71944, 104788, 141772, 143888, 209576, 283544, 287776, 419152, 567088, 602531, 838304, 1134176, 1205062, 2410124, 4820248, 9640496, 19280992]

約数ペア:

[(1, 19280992), (2, 9640496), (4, 4820248), (8, 2410124), (16, 1205062), (17, 1134176), (23, 838304), (32, 602531), (34, 567088), (46, 419152), (67, 287776), (68, 283544), (92, 209576), (134, 143888), (136, 141772), (184, 104788), (268, 71944), (272, 70886), (368, 52394), (391, 49312), (529, 36448), (536, 35972), (544, 35443), (736, 26197), (782, 24656), (1058, 18224), (1072, 17986), (1139, 16928), (1541, 12512), (1564, 12328), (2116, 9112), (2144, 8993), (2278, 8464), (3082, 6256), (3128, 6164), (4232, 4556)]