18111392

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 41089356

約数和(自身を除く): 22977964

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 197, 208, 221, 272, 338, 394, 416, 442, 544, 676, 788, 884, 1352, 1576, 1768, 2561, 2704, 2873, 3152, 3349, 3536, 5122, 5408, 5746, 6304, 6698, 7072, 10244, 11492, 13396, 20488, 22984, 26792, 33293, 40976, 43537, 45968, 53584, 66586, 81952, 87074, 91936, 107168, 133172, 174148, 266344, 348296, 532688, 565981, 696592, 1065376, 1131962, 1393184, 2263924, 4527848, 9055696, 18111392]

約数ペア:

[(1, 18111392), (2, 9055696), (4, 4527848), (8, 2263924), (13, 1393184), (16, 1131962), (17, 1065376), (26, 696592), (32, 565981), (34, 532688), (52, 348296), (68, 266344), (104, 174148), (136, 133172), (169, 107168), (197, 91936), (208, 87074), (221, 81952), (272, 66586), (338, 53584), (394, 45968), (416, 43537), (442, 40976), (544, 33293), (676, 26792), (788, 22984), (884, 20488), (1352, 13396), (1576, 11492), (1768, 10244), (2561, 7072), (2704, 6698), (2873, 6304), (3152, 5746), (3349, 5408), (3536, 5122)]