19748352

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 60496128

約数和(自身を除く): 40747776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 43, 46, 48, 52, 64, 69, 78, 86, 92, 96, 104, 128, 129, 138, 156, 172, 184, 192, 208, 256, 258, 276, 299, 312, 344, 368, 384, 416, 512, 516, 552, 559, 598, 624, 688, 736, 768, 832, 897, 989, 1032, 1104, 1118, 1196, 1248, 1376, 1472, 1536, 1664, 1677, 1794, 1978, 2064, 2208, 2236, 2392, 2496, 2752, 2944, 2967, 3328, 3354, 3588, 3956, 4128, 4416, 4472, 4784, 4992, 5504, 5888, 5934, 6656, 6708, 7176, 7912, 8256, 8832, 8944, 9568, 9984, 11008, 11776, 11868, 12857, 13416, 14352, 15824, 16512, 17664, 17888, 19136, 19968, 22016, 23736, 25714, 26832, 28704, 31648, 33024, 35328, 35776, 38272, 38571, 47472, 51428, 53664, 57408, 63296, 66048, 71552, 76544, 77142, 94944, 102856, 107328, 114816, 126592, 143104, 153088, 154284, 189888, 205712, 214656, 229632, 253184, 286208, 308568, 379776, 411424, 429312, 459264, 506368, 617136, 759552, 822848, 858624, 1234272, 1519104, 1645696, 2468544, 3291392, 4937088, 6582784, 9874176, 19748352]

約数ペア:

[(1, 19748352), (2, 9874176), (3, 6582784), (4, 4937088), (6, 3291392), (8, 2468544), (12, 1645696), (13, 1519104), (16, 1234272), (23, 858624), (24, 822848), (26, 759552), (32, 617136), (39, 506368), (43, 459264), (46, 429312), (48, 411424), (52, 379776), (64, 308568), (69, 286208), (78, 253184), (86, 229632), (92, 214656), (96, 205712), (104, 189888), (128, 154284), (129, 153088), (138, 143104), (156, 126592), (172, 114816), (184, 107328), (192, 102856), (208, 94944), (256, 77142), (258, 76544), (276, 71552), (299, 66048), (312, 63296), (344, 57408), (368, 53664), (384, 51428), (416, 47472), (512, 38571), (516, 38272), (552, 35776), (559, 35328), (598, 33024), (624, 31648), (688, 28704), (736, 26832), (768, 25714), (832, 23736), (897, 22016), (989, 19968), (1032, 19136), (1104, 17888), (1118, 17664), (1196, 16512), (1248, 15824), (1376, 14352), (1472, 13416), (1536, 12857), (1664, 11868), (1677, 11776), (1794, 11008), (1978, 9984), (2064, 9568), (2208, 8944), (2236, 8832), (2392, 8256), (2496, 7912), (2752, 7176), (2944, 6708), (2967, 6656), (3328, 5934), (3354, 5888), (3588, 5504), (3956, 4992), (4128, 4784), (4416, 4472)]