18747260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7877}}^1$

素因数の和:7910

約数の個数: 48

約数和(自身を含む): 47646144

約数和(自身を除く): 28898884

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7877, 15754, 31508, 39385, 55139, 78770, 110278, 133909, 157540, 220556, 267818, 275695, 535636, 551390, 669545, 937363, 1102780, 1339090, 1874726, 2678180, 3749452, 4686815, 9373630, 18747260]

約数ペア:

[(1, 18747260), (2, 9373630), (4, 4686815), (5, 3749452), (7, 2678180), (10, 1874726), (14, 1339090), (17, 1102780), (20, 937363), (28, 669545), (34, 551390), (35, 535636), (68, 275695), (70, 267818), (85, 220556), (119, 157540), (140, 133909), (170, 110278), (238, 78770), (340, 55139), (476, 39385), (595, 31508), (1190, 15754), (2380, 7877)]