18735390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2441

約数の個数: 48

約数和(自身を含む): 49280400

約数和(自身を除く): 30545010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2339, 2670, 4005, 4678, 7017, 8010, 11695, 14034, 21051, 23390, 35085, 42102, 70170, 105255, 208171, 210510, 416342, 624513, 1040855, 1249026, 1873539, 2081710, 3122565, 3747078, 6245130, 9367695, 18735390]

約数ペア:

[(1, 18735390), (2, 9367695), (3, 6245130), (5, 3747078), (6, 3122565), (9, 2081710), (10, 1873539), (15, 1249026), (18, 1040855), (30, 624513), (45, 416342), (89, 210510), (90, 208171), (178, 105255), (267, 70170), (445, 42102), (534, 35085), (801, 23390), (890, 21051), (1335, 14034), (1602, 11695), (2339, 8010), (2670, 7017), (4005, 4678)]