17959552

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 39584160

約数和(自身を除く): 21624608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 251, 344, 416, 502, 559, 688, 832, 1004, 1118, 1376, 1664, 2008, 2236, 2752, 3263, 4016, 4472, 5504, 6526, 8032, 8944, 10793, 13052, 16064, 17888, 21586, 26104, 32128, 35776, 43172, 52208, 71552, 86344, 104416, 140309, 172688, 208832, 280618, 345376, 417664, 561236, 690752, 1122472, 1381504, 2244944, 4489888, 8979776, 17959552]

約数ペア:

[(1, 17959552), (2, 8979776), (4, 4489888), (8, 2244944), (13, 1381504), (16, 1122472), (26, 690752), (32, 561236), (43, 417664), (52, 345376), (64, 280618), (86, 208832), (104, 172688), (128, 140309), (172, 104416), (208, 86344), (251, 71552), (344, 52208), (416, 43172), (502, 35776), (559, 32128), (688, 26104), (832, 21586), (1004, 17888), (1118, 16064), (1376, 13052), (1664, 10793), (2008, 8944), (2236, 8032), (2752, 6526), (3263, 5504), (4016, 4472)]