1917507980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1\times {\mathrm{3203}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 4142003040

約数和(自身を除く): 2224495060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 809, 1618, 3203, 3236, 4045, 6406, 8090, 12812, 16015, 16180, 29933, 32030, 59866, 64060, 118511, 119732, 149665, 237022, 299330, 474044, 592555, 598660, 1185110, 2370220, 2591227, 5182454, 10364908, 12956135, 25912270, 51824540, 95875399, 191750798, 383501596, 479376995, 958753990, 1917507980]

約数ペア:

[(1, 1917507980), (2, 958753990), (4, 479376995), (5, 383501596), (10, 191750798), (20, 95875399), (37, 51824540), (74, 25912270), (148, 12956135), (185, 10364908), (370, 5182454), (740, 2591227), (809, 2370220), (1618, 1185110), (3203, 598660), (3236, 592555), (4045, 474044), (6406, 299330), (8090, 237022), (12812, 149665), (16015, 119732), (16180, 118511), (29933, 64060), (32030, 59866)]