19908936

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 36337464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1511, 1647, 2196, 3022, 3294, 4392, 4533, 6044, 6588, 9066, 12088, 13176, 13599, 18132, 27198, 36264, 40797, 54396, 81594, 92171, 108792, 163188, 184342, 276513, 326376, 368684, 553026, 737368, 829539, 1106052, 1659078, 2212104, 2488617, 3318156, 4977234, 6636312, 9954468, 19908936]

約数ペア:

[(1, 19908936), (2, 9954468), (3, 6636312), (4, 4977234), (6, 3318156), (8, 2488617), (9, 2212104), (12, 1659078), (18, 1106052), (24, 829539), (27, 737368), (36, 553026), (54, 368684), (61, 326376), (72, 276513), (108, 184342), (122, 163188), (183, 108792), (216, 92171), (244, 81594), (366, 54396), (488, 40797), (549, 36264), (732, 27198), (1098, 18132), (1464, 13599), (1511, 13176), (1647, 12088), (2196, 9066), (3022, 6588), (3294, 6044), (4392, 4533)]