18661504

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4703}}^1$

素因数の和:4748

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 19723136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4703, 9406, 18812, 37624, 75248, 145793, 150496, 291586, 300992, 583172, 601984, 1166344, 2332688, 4665376, 9330752, 18661504]

約数ペア:

[(1, 18661504), (2, 9330752), (4, 4665376), (8, 2332688), (16, 1166344), (31, 601984), (32, 583172), (62, 300992), (64, 291586), (124, 150496), (128, 145793), (248, 75248), (496, 37624), (992, 18812), (1984, 9406), (3968, 4703)]