18665220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 44233980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2339, 2660, 3990, 4678, 7017, 7980, 9356, 11695, 14034, 16373, 23390, 28068, 32746, 35085, 44441, 46780, 49119, 65492, 70170, 81865, 88882, 98238, 133323, 140340, 163730, 177764, 196476, 222205, 245595, 266646, 311087, 327460, 444410, 491190, 533292, 622174, 666615, 888820, 933261, 982380, 1244348, 1333230, 1555435, 1866522, 2666460, 3110870, 3733044, 4666305, 6221740, 9332610, 18665220]

約数ペア:

[(1, 18665220), (2, 9332610), (3, 6221740), (4, 4666305), (5, 3733044), (6, 3110870), (7, 2666460), (10, 1866522), (12, 1555435), (14, 1333230), (15, 1244348), (19, 982380), (20, 933261), (21, 888820), (28, 666615), (30, 622174), (35, 533292), (38, 491190), (42, 444410), (57, 327460), (60, 311087), (70, 266646), (76, 245595), (84, 222205), (95, 196476), (105, 177764), (114, 163730), (133, 140340), (140, 133323), (190, 98238), (210, 88882), (228, 81865), (266, 70170), (285, 65492), (380, 49119), (399, 46780), (420, 44441), (532, 35085), (570, 32746), (665, 28068), (798, 23390), (1140, 16373), (1330, 14034), (1596, 11695), (1995, 9356), (2339, 7980), (2660, 7017), (3990, 4678)]