19420620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4831}}^1$

素因数の和:4910

約数の個数: 48

約数和(自身を含む): 55200768

約数和(自身を除く): 35780148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4831, 9662, 14493, 19324, 24155, 28986, 48310, 57972, 72465, 96620, 144930, 289860, 323677, 647354, 971031, 1294708, 1618385, 1942062, 3236770, 3884124, 4855155, 6473540, 9710310, 19420620]

約数ペア:

[(1, 19420620), (2, 9710310), (3, 6473540), (4, 4855155), (5, 3884124), (6, 3236770), (10, 1942062), (12, 1618385), (15, 1294708), (20, 971031), (30, 647354), (60, 323677), (67, 289860), (134, 144930), (201, 96620), (268, 72465), (335, 57972), (402, 48310), (670, 28986), (804, 24155), (1005, 19324), (1340, 14493), (2010, 9662), (4020, 4831)]