18819690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 48090240

約数和(自身を除く): 29270550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 137, 190, 241, 274, 285, 411, 482, 570, 685, 723, 822, 1205, 1370, 1446, 2055, 2410, 2603, 3615, 4110, 4579, 5206, 7230, 7809, 9158, 13015, 13737, 15618, 22895, 26030, 27474, 33017, 39045, 45790, 66034, 68685, 78090, 99051, 137370, 165085, 198102, 330170, 495255, 627323, 990510, 1254646, 1881969, 3136615, 3763938, 6273230, 9409845, 18819690]

約数ペア:

[(1, 18819690), (2, 9409845), (3, 6273230), (5, 3763938), (6, 3136615), (10, 1881969), (15, 1254646), (19, 990510), (30, 627323), (38, 495255), (57, 330170), (95, 198102), (114, 165085), (137, 137370), (190, 99051), (241, 78090), (274, 68685), (285, 66034), (411, 45790), (482, 39045), (570, 33017), (685, 27474), (723, 26030), (822, 22895), (1205, 15618), (1370, 13737), (1446, 13015), (2055, 9158), (2410, 7809), (2603, 7230), (3615, 5206), (4110, 4579)]