18781260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18413}}^1$

素因数の和:18442

約数の個数: 48

約数和(自身を含む): 55683936

約数和(自身を除く): 36902676

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, 18413, 36826, 55239, 73652, 92065, 110478, 184130, 220956, 276195, 313021, 368260, 552390, 626042, 939063, 1104780, 1252084, 1565105, 1878126, 3130210, 3756252, 4695315, 6260420, 9390630, 18781260]

約数ペア:

[(1, 18781260), (2, 9390630), (3, 6260420), (4, 4695315), (5, 3756252), (6, 3130210), (10, 1878126), (12, 1565105), (15, 1252084), (17, 1104780), (20, 939063), (30, 626042), (34, 552390), (51, 368260), (60, 313021), (68, 276195), (85, 220956), (102, 184130), (170, 110478), (204, 92065), (255, 73652), (340, 55239), (510, 36826), (1020, 18413)]