19450116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 56958720

約数和(自身を除く): 37508604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 977, 1106, 1422, 1659, 1954, 2212, 2844, 2931, 3318, 3908, 4977, 5862, 6636, 6839, 8793, 9954, 11724, 13678, 17586, 19908, 20517, 27356, 35172, 41034, 61551, 77183, 82068, 123102, 154366, 231549, 246204, 308732, 463098, 540281, 694647, 926196, 1080562, 1389294, 1620843, 2161124, 2778588, 3241686, 4862529, 6483372, 9725058, 19450116]

約数ペア:

[(1, 19450116), (2, 9725058), (3, 6483372), (4, 4862529), (6, 3241686), (7, 2778588), (9, 2161124), (12, 1620843), (14, 1389294), (18, 1080562), (21, 926196), (28, 694647), (36, 540281), (42, 463098), (63, 308732), (79, 246204), (84, 231549), (126, 154366), (158, 123102), (237, 82068), (252, 77183), (316, 61551), (474, 41034), (553, 35172), (711, 27356), (948, 20517), (977, 19908), (1106, 17586), (1422, 13678), (1659, 11724), (1954, 9954), (2212, 8793), (2844, 6839), (2931, 6636), (3318, 5862), (3908, 4977)]