18286528

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 56

約数和(自身を含む): 40396160

約数和(自身を除く): 22109632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 709, 806, 832, 992, 1418, 1612, 1984, 2836, 3224, 5672, 6448, 9217, 11344, 12896, 18434, 21979, 22688, 25792, 36868, 43958, 45376, 73736, 87916, 147472, 175832, 285727, 294944, 351664, 571454, 589888, 703328, 1142908, 1406656, 2285816, 4571632, 9143264, 18286528]

約数ペア:

[(1, 18286528), (2, 9143264), (4, 4571632), (8, 2285816), (13, 1406656), (16, 1142908), (26, 703328), (31, 589888), (32, 571454), (52, 351664), (62, 294944), (64, 285727), (104, 175832), (124, 147472), (208, 87916), (248, 73736), (403, 45376), (416, 43958), (496, 36868), (709, 25792), (806, 22688), (832, 21979), (992, 18434), (1418, 12896), (1612, 11344), (1984, 9217), (2836, 6448), (3224, 5672)]