201819162592

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{344957}}^1$

素因数の和:345403

約数の個数: 48

約数和(自身を含む): 406829666880

約数和(自身を除く): 205010504288

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 389, 752, 778, 1504, 1556, 3112, 6224, 12448, 18283, 36566, 73132, 146264, 292528, 344957, 585056, 689914, 1379828, 2759656, 5519312, 11038624, 16212979, 32425958, 64851916, 129703832, 134188273, 259407664, 268376546, 518815328, 536753092, 1073506184, 2147012368, 4294024736, 6306848831, 12613697662, 25227395324, 50454790648, 100909581296, 201819162592]

約数ペア:

[(1, 201819162592), (2, 100909581296), (4, 50454790648), (8, 25227395324), (16, 12613697662), (32, 6306848831), (47, 4294024736), (94, 2147012368), (188, 1073506184), (376, 536753092), (389, 518815328), (752, 268376546), (778, 259407664), (1504, 134188273), (1556, 129703832), (3112, 64851916), (6224, 32425958), (12448, 16212979), (18283, 11038624), (36566, 5519312), (73132, 2759656), (146264, 1379828), (292528, 689914), (344957, 585056)]