19609440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40853}}^1$

素因数の和:40871

約数の個数: 48

約数和(自身を含む): 61771248

約数和(自身を除く): 42161808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40853, 81706, 122559, 163412, 204265, 245118, 326824, 408530, 490236, 612795, 653648, 817060, 980472, 1225590, 1307296, 1634120, 1960944, 2451180, 3268240, 3921888, 4902360, 6536480, 9804720, 19609440]

約数ペア:

[(1, 19609440), (2, 9804720), (3, 6536480), (4, 4902360), (5, 3921888), (6, 3268240), (8, 2451180), (10, 1960944), (12, 1634120), (15, 1307296), (16, 1225590), (20, 980472), (24, 817060), (30, 653648), (32, 612795), (40, 490236), (48, 408530), (60, 326824), (80, 245118), (96, 204265), (120, 163412), (160, 122559), (240, 81706), (480, 40853)]