18905460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45013}}^1$

素因数の和:45032

約数の個数: 48

約数和(自身を含む): 60498816

約数和(自身を除く): 41593356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45013, 90026, 135039, 180052, 225065, 270078, 315091, 450130, 540156, 630182, 675195, 900260, 945273, 1260364, 1350390, 1575455, 1890546, 2700780, 3150910, 3781092, 4726365, 6301820, 9452730, 18905460]

約数ペア:

[(1, 18905460), (2, 9452730), (3, 6301820), (4, 4726365), (5, 3781092), (6, 3150910), (7, 2700780), (10, 1890546), (12, 1575455), (14, 1350390), (15, 1260364), (20, 945273), (21, 900260), (28, 675195), (30, 630182), (35, 540156), (42, 450130), (60, 315091), (70, 270078), (84, 225065), (105, 180052), (140, 135039), (210, 90026), (420, 45013)]