19244620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22849460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 347, 470, 590, 694, 940, 1180, 1388, 1735, 2773, 3470, 5546, 6940, 11092, 13865, 16309, 20473, 27730, 32618, 40946, 55460, 65236, 81545, 81892, 102365, 163090, 204730, 326180, 409460, 962231, 1924462, 3848924, 4811155, 9622310, 19244620]

約数ペア:

[(1, 19244620), (2, 9622310), (4, 4811155), (5, 3848924), (10, 1924462), (20, 962231), (47, 409460), (59, 326180), (94, 204730), (118, 163090), (188, 102365), (235, 81892), (236, 81545), (295, 65236), (347, 55460), (470, 40946), (590, 32618), (694, 27730), (940, 20473), (1180, 16309), (1388, 13865), (1735, 11092), (2773, 6940), (3470, 5546)]