19457985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 13564095

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1091, 1189, 3273, 3567, 5455, 5945, 16365, 17835, 31639, 44731, 94917, 134193, 158195, 223655, 474585, 670965, 1297199, 3891597, 6485995, 19457985]

約数ペア:

[(1, 19457985), (3, 6485995), (5, 3891597), (15, 1297199), (29, 670965), (41, 474585), (87, 223655), (123, 158195), (145, 134193), (205, 94917), (435, 44731), (615, 31639), (1091, 17835), (1189, 16365), (3273, 5945), (3567, 5455)]