18821808

素因数分解:

$2^4\times 3^5\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 56329728

約数和(自身を除く): 37507920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 103, 108, 141, 144, 162, 188, 206, 216, 243, 282, 309, 324, 376, 412, 423, 432, 486, 564, 618, 648, 752, 824, 846, 927, 972, 1128, 1236, 1269, 1296, 1648, 1692, 1854, 1944, 2256, 2472, 2538, 2781, 3384, 3708, 3807, 3888, 4841, 4944, 5076, 5562, 6768, 7416, 7614, 8343, 9682, 10152, 11124, 11421, 14523, 14832, 15228, 16686, 19364, 20304, 22248, 22842, 25029, 29046, 30456, 33372, 38728, 43569, 44496, 45684, 50058, 58092, 60912, 66744, 77456, 87138, 91368, 100116, 116184, 130707, 133488, 174276, 182736, 200232, 232368, 261414, 348552, 392121, 400464, 522828, 697104, 784242, 1045656, 1176363, 1568484, 2091312, 2352726, 3136968, 4705452, 6273936, 9410904, 18821808]

約数ペア:

[(1, 18821808), (2, 9410904), (3, 6273936), (4, 4705452), (6, 3136968), (8, 2352726), (9, 2091312), (12, 1568484), (16, 1176363), (18, 1045656), (24, 784242), (27, 697104), (36, 522828), (47, 400464), (48, 392121), (54, 348552), (72, 261414), (81, 232368), (94, 200232), (103, 182736), (108, 174276), (141, 133488), (144, 130707), (162, 116184), (188, 100116), (206, 91368), (216, 87138), (243, 77456), (282, 66744), (309, 60912), (324, 58092), (376, 50058), (412, 45684), (423, 44496), (432, 43569), (486, 38728), (564, 33372), (618, 30456), (648, 29046), (752, 25029), (824, 22842), (846, 22248), (927, 20304), (972, 19364), (1128, 16686), (1236, 15228), (1269, 14832), (1296, 14523), (1648, 11421), (1692, 11124), (1854, 10152), (1944, 9682), (2256, 8343), (2472, 7614), (2538, 7416), (2781, 6768), (3384, 5562), (3708, 5076), (3807, 4944), (3888, 4841)]