18791552

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 42154560

約数和(自身を除く): 23363008

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 491, 598, 736, 832, 982, 1196, 1472, 1664, 1964, 2392, 2944, 3928, 4784, 6383, 7856, 9568, 11293, 12766, 15712, 19136, 22586, 25532, 31424, 38272, 45172, 51064, 62848, 90344, 102128, 146809, 180688, 204256, 293618, 361376, 408512, 587236, 722752, 817024, 1174472, 1445504, 2348944, 4697888, 9395776, 18791552]

約数ペア:

[(1, 18791552), (2, 9395776), (4, 4697888), (8, 2348944), (13, 1445504), (16, 1174472), (23, 817024), (26, 722752), (32, 587236), (46, 408512), (52, 361376), (64, 293618), (92, 204256), (104, 180688), (128, 146809), (184, 102128), (208, 90344), (299, 62848), (368, 51064), (416, 45172), (491, 38272), (598, 31424), (736, 25532), (832, 22586), (982, 19136), (1196, 15712), (1472, 12766), (1664, 11293), (1964, 9568), (2392, 7856), (2944, 6383), (3928, 4784)]