1997172018

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{8419}}^1$

素因数の和:8644

約数の個数: 64

約数和(自身を含む): 4655923200

約数和(自身を除く): 2658751182

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 191, 207, 382, 414, 573, 621, 1146, 1242, 1719, 3438, 4393, 5157, 8419, 8786, 10314, 13179, 16838, 25257, 26358, 39537, 50514, 75771, 79074, 118611, 151542, 193637, 227313, 237222, 387274, 454626, 580911, 1161822, 1608029, 1742733, 3216058, 3485466, 4824087, 5228199, 9648174, 10456398, 14472261, 28944522, 36984667, 43416783, 73969334, 86833566, 110954001, 221908002, 332862003, 665724006, 998586009, 1997172018]

約数ペア:

[(1, 1997172018), (2, 998586009), (3, 665724006), (6, 332862003), (9, 221908002), (18, 110954001), (23, 86833566), (27, 73969334), (46, 43416783), (54, 36984667), (69, 28944522), (138, 14472261), (191, 10456398), (207, 9648174), (382, 5228199), (414, 4824087), (573, 3485466), (621, 3216058), (1146, 1742733), (1242, 1608029), (1719, 1161822), (3438, 580911), (4393, 454626), (5157, 387274), (8419, 237222), (8786, 227313), (10314, 193637), (13179, 151542), (16838, 118611), (25257, 79074), (26358, 75771), (39537, 50514)]