19786966688

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{463873}}^1$

素因数の和:463957

約数の個数: 48

約数和(自身を含む): 41147479296

約数和(自身を除く): 21360512608

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 248, 344, 496, 688, 992, 1333, 1376, 2666, 5332, 10664, 21328, 42656, 463873, 927746, 1855492, 3710984, 7421968, 14380063, 14843936, 19946539, 28760126, 39893078, 57520252, 79786156, 115040504, 159572312, 230081008, 319144624, 460162016, 618342709, 638289248, 1236685418, 2473370836, 4946741672, 9893483344, 19786966688]

約数ペア:

[(1, 19786966688), (2, 9893483344), (4, 4946741672), (8, 2473370836), (16, 1236685418), (31, 638289248), (32, 618342709), (43, 460162016), (62, 319144624), (86, 230081008), (124, 159572312), (172, 115040504), (248, 79786156), (344, 57520252), (496, 39893078), (688, 28760126), (992, 19946539), (1333, 14843936), (1376, 14380063), (2666, 7421968), (5332, 3710984), (10664, 1855492), (21328, 927746), (42656, 463873)]