19778256

素因数分解:

$2^4\times 3^5\times {\mathrm{5087}}^1$

素因数の和:5110

約数の個数: 60

約数和(自身を含む): 57412992

約数和(自身を除く): 37634736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5087, 10174, 15261, 20348, 30522, 40696, 45783, 61044, 81392, 91566, 122088, 137349, 183132, 244176, 274698, 366264, 412047, 549396, 732528, 824094, 1098792, 1236141, 1648188, 2197584, 2472282, 3296376, 4944564, 6592752, 9889128, 19778256]

約数ペア:

[(1, 19778256), (2, 9889128), (3, 6592752), (4, 4944564), (6, 3296376), (8, 2472282), (9, 2197584), (12, 1648188), (16, 1236141), (18, 1098792), (24, 824094), (27, 732528), (36, 549396), (48, 412047), (54, 366264), (72, 274698), (81, 244176), (108, 183132), (144, 137349), (162, 122088), (216, 91566), (243, 81392), (324, 61044), (432, 45783), (486, 40696), (648, 30522), (972, 20348), (1296, 15261), (1944, 10174), (3888, 5087)]