18989340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18617}}^1$

素因数の和:18646

約数の個数: 48

約数和(自身を含む): 56300832

約数和(自身を除く): 37311492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18617, 37234, 55851, 74468, 93085, 111702, 186170, 223404, 279255, 316489, 372340, 558510, 632978, 949467, 1117020, 1265956, 1582445, 1898934, 3164890, 3797868, 4747335, 6329780, 9494670, 18989340]

約数ペア:

[(1, 18989340), (2, 9494670), (3, 6329780), (4, 4747335), (5, 3797868), (6, 3164890), (10, 1898934), (12, 1582445), (15, 1265956), (17, 1117020), (20, 949467), (30, 632978), (34, 558510), (51, 372340), (60, 316489), (68, 279255), (85, 223404), (102, 186170), (170, 111702), (204, 93085), (255, 74468), (340, 55851), (510, 37234), (1020, 18617)]