18764940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18397}}^1$

素因数の和:18426

約数の個数: 48

約数和(自身を含む): 55635552

約数和(自身を除く): 36870612

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, 18397, 36794, 55191, 73588, 91985, 110382, 183970, 220764, 275955, 312749, 367940, 551910, 625498, 938247, 1103820, 1250996, 1563745, 1876494, 3127490, 3752988, 4691235, 6254980, 9382470, 18764940]

約数ペア:

[(1, 18764940), (2, 9382470), (3, 6254980), (4, 4691235), (5, 3752988), (6, 3127490), (10, 1876494), (12, 1563745), (15, 1250996), (17, 1103820), (20, 938247), (30, 625498), (34, 551910), (51, 367940), (60, 312749), (68, 275955), (85, 220764), (102, 183970), (170, 110382), (204, 91985), (255, 73588), (340, 55191), (510, 36794), (1020, 18397)]