18650940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 65780736

約数和(自身を除く): 47129796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 367, 385, 420, 462, 484, 605, 660, 726, 734, 770, 847, 924, 1101, 1155, 1210, 1452, 1468, 1540, 1694, 1815, 1835, 2202, 2310, 2420, 2541, 2569, 3388, 3630, 3670, 4037, 4235, 4404, 4620, 5082, 5138, 5505, 7260, 7340, 7707, 8074, 8470, 10164, 10276, 11010, 12111, 12705, 12845, 15414, 16148, 16940, 20185, 22020, 24222, 25410, 25690, 28259, 30828, 38535, 40370, 44407, 48444, 50820, 51380, 56518, 60555, 77070, 80740, 84777, 88814, 113036, 121110, 133221, 141295, 154140, 169554, 177628, 222035, 242220, 266442, 282590, 310849, 339108, 423885, 444070, 532884, 565180, 621698, 666105, 847770, 888140, 932547, 1243396, 1332210, 1554245, 1695540, 1865094, 2664420, 3108490, 3730188, 4662735, 6216980, 9325470, 18650940]

約数ペア:

[(1, 18650940), (2, 9325470), (3, 6216980), (4, 4662735), (5, 3730188), (6, 3108490), (7, 2664420), (10, 1865094), (11, 1695540), (12, 1554245), (14, 1332210), (15, 1243396), (20, 932547), (21, 888140), (22, 847770), (28, 666105), (30, 621698), (33, 565180), (35, 532884), (42, 444070), (44, 423885), (55, 339108), (60, 310849), (66, 282590), (70, 266442), (77, 242220), (84, 222035), (105, 177628), (110, 169554), (121, 154140), (132, 141295), (140, 133221), (154, 121110), (165, 113036), (210, 88814), (220, 84777), (231, 80740), (242, 77070), (308, 60555), (330, 56518), (363, 51380), (367, 50820), (385, 48444), (420, 44407), (462, 40370), (484, 38535), (605, 30828), (660, 28259), (726, 25690), (734, 25410), (770, 24222), (847, 22020), (924, 20185), (1101, 16940), (1155, 16148), (1210, 15414), (1452, 12845), (1468, 12705), (1540, 12111), (1694, 11010), (1815, 10276), (1835, 10164), (2202, 8470), (2310, 8074), (2420, 7707), (2541, 7340), (2569, 7260), (3388, 5505), (3630, 5138), (3670, 5082), (4037, 4620), (4235, 4404)]