1915798016

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10973}}^1$

素因数の和:11033

約数の個数: 80

約数和(自身を含む): 4310938368

約数和(自身を除く): 2395140352

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 512, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 3968, 5456, 5632, 7936, 10912, 10973, 15872, 21824, 21946, 43648, 43892, 87296, 87784, 120703, 174592, 175568, 241406, 340163, 351136, 482812, 680326, 702272, 965624, 1360652, 1404544, 1931248, 2721304, 2809088, 3741793, 3862496, 5442608, 5618176, 7483586, 7724992, 10885216, 14967172, 15449984, 21770432, 29934344, 30899968, 43540864, 59868688, 61799936, 87081728, 119737376, 174163456, 239474752, 478949504, 957899008, 1915798016]

約数ペア:

[(1, 1915798016), (2, 957899008), (4, 478949504), (8, 239474752), (11, 174163456), (16, 119737376), (22, 87081728), (31, 61799936), (32, 59868688), (44, 43540864), (62, 30899968), (64, 29934344), (88, 21770432), (124, 15449984), (128, 14967172), (176, 10885216), (248, 7724992), (256, 7483586), (341, 5618176), (352, 5442608), (496, 3862496), (512, 3741793), (682, 2809088), (704, 2721304), (992, 1931248), (1364, 1404544), (1408, 1360652), (1984, 965624), (2728, 702272), (2816, 680326), (3968, 482812), (5456, 351136), (5632, 340163), (7936, 241406), (10912, 175568), (10973, 174592), (15872, 120703), (21824, 87784), (21946, 87296), (43648, 43892)]