19630208

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 43182720

約数和(自身を除く): 23552512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 251, 376, 416, 502, 611, 752, 832, 1004, 1222, 1504, 1664, 2008, 2444, 3008, 3263, 4016, 4888, 6016, 6526, 8032, 9776, 11797, 13052, 16064, 19552, 23594, 26104, 32128, 39104, 47188, 52208, 78208, 94376, 104416, 153361, 188752, 208832, 306722, 377504, 417664, 613444, 755008, 1226888, 1510016, 2453776, 4907552, 9815104, 19630208]

約数ペア:

[(1, 19630208), (2, 9815104), (4, 4907552), (8, 2453776), (13, 1510016), (16, 1226888), (26, 755008), (32, 613444), (47, 417664), (52, 377504), (64, 306722), (94, 208832), (104, 188752), (128, 153361), (188, 104416), (208, 94376), (251, 78208), (376, 52208), (416, 47188), (502, 39104), (611, 32128), (752, 26104), (832, 23594), (1004, 19552), (1222, 16064), (1504, 13052), (1664, 11797), (2008, 9776), (2444, 8032), (3008, 6526), (3263, 6016), (4016, 4888)]