19912392

素因数分解:

$2^3\times 3^5\times {\mathrm{10243}}^1$

素因数の和:10264

約数の個数: 48

約数和(自身を含む): 55932240

約数和(自身を除く): 36019848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10243, 20486, 30729, 40972, 61458, 81944, 92187, 122916, 184374, 245832, 276561, 368748, 553122, 737496, 829683, 1106244, 1659366, 2212488, 2489049, 3318732, 4978098, 6637464, 9956196, 19912392]

約数ペア:

[(1, 19912392), (2, 9956196), (3, 6637464), (4, 4978098), (6, 3318732), (8, 2489049), (9, 2212488), (12, 1659366), (18, 1106244), (24, 829683), (27, 737496), (36, 553122), (54, 368748), (72, 276561), (81, 245832), (108, 184374), (162, 122916), (216, 92187), (243, 81944), (324, 61458), (486, 40972), (648, 30729), (972, 20486), (1944, 10243)]