18087392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20015008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 419, 568, 608, 838, 1136, 1349, 1676, 2272, 2698, 3352, 5396, 6704, 7961, 10792, 13408, 15922, 21584, 29749, 31844, 43168, 59498, 63688, 118996, 127376, 237992, 254752, 475984, 565231, 951968, 1130462, 2260924, 4521848, 9043696, 18087392]

約数ペア:

[(1, 18087392), (2, 9043696), (4, 4521848), (8, 2260924), (16, 1130462), (19, 951968), (32, 565231), (38, 475984), (71, 254752), (76, 237992), (142, 127376), (152, 118996), (284, 63688), (304, 59498), (419, 43168), (568, 31844), (608, 29749), (838, 21584), (1136, 15922), (1349, 13408), (1676, 10792), (2272, 7961), (2698, 6704), (3352, 5396)]