18851968

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4751}}^1$

素因数の和:4796

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 19924352

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4751, 9502, 19004, 38008, 76016, 147281, 152032, 294562, 304064, 589124, 608128, 1178248, 2356496, 4712992, 9425984, 18851968]

約数ペア:

[(1, 18851968), (2, 9425984), (4, 4712992), (8, 2356496), (16, 1178248), (31, 608128), (32, 589124), (62, 304064), (64, 294562), (124, 152032), (128, 147281), (248, 76016), (496, 38008), (992, 19004), (1984, 9502), (3968, 4751)]