19122688

素因数分解:

$2^9\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 43825320

約数和(自身を除く): 24702632

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 169, 208, 221, 256, 272, 338, 416, 442, 512, 544, 676, 832, 884, 1088, 1352, 1664, 1768, 2176, 2197, 2704, 2873, 3328, 3536, 4352, 4394, 5408, 5746, 6656, 7072, 8704, 8788, 10816, 11492, 14144, 17576, 21632, 22984, 28288, 35152, 37349, 43264, 45968, 56576, 70304, 74698, 86528, 91936, 113152, 140608, 149396, 183872, 281216, 298792, 367744, 562432, 597584, 735488, 1124864, 1195168, 1470976, 2390336, 4780672, 9561344, 19122688]

約数ペア:

[(1, 19122688), (2, 9561344), (4, 4780672), (8, 2390336), (13, 1470976), (16, 1195168), (17, 1124864), (26, 735488), (32, 597584), (34, 562432), (52, 367744), (64, 298792), (68, 281216), (104, 183872), (128, 149396), (136, 140608), (169, 113152), (208, 91936), (221, 86528), (256, 74698), (272, 70304), (338, 56576), (416, 45968), (442, 43264), (512, 37349), (544, 35152), (676, 28288), (832, 22984), (884, 21632), (1088, 17576), (1352, 14144), (1664, 11492), (1768, 10816), (2176, 8788), (2197, 8704), (2704, 7072), (2873, 6656), (3328, 5746), (3536, 5408), (4352, 4394)]