19752984

素因数分解:

$2^3\times 3^7\times {\mathrm{1129}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 55596000

約数和(自身を除く): 35843016

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, 729, 972, 1129, 1458, 1944, 2187, 2258, 2916, 3387, 4374, 4516, 5832, 6774, 8748, 9032, 10161, 13548, 17496, 20322, 27096, 30483, 40644, 60966, 81288, 91449, 121932, 182898, 243864, 274347, 365796, 548694, 731592, 823041, 1097388, 1646082, 2194776, 2469123, 3292164, 4938246, 6584328, 9876492, 19752984]

約数ペア:

[(1, 19752984), (2, 9876492), (3, 6584328), (4, 4938246), (6, 3292164), (8, 2469123), (9, 2194776), (12, 1646082), (18, 1097388), (24, 823041), (27, 731592), (36, 548694), (54, 365796), (72, 274347), (81, 243864), (108, 182898), (162, 121932), (216, 91449), (243, 81288), (324, 60966), (486, 40644), (648, 30483), (729, 27096), (972, 20322), (1129, 17496), (1458, 13548), (1944, 10161), (2187, 9032), (2258, 8748), (2916, 6774), (3387, 5832), (4374, 4516)]