18919512

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3701}}^1$

素因数の和:3784

約数の個数: 48

約数和(自身を含む): 51976080

約数和(自身を除く): 33056568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3701, 5112, 7402, 11103, 14804, 22206, 29608, 33309, 44412, 66618, 88824, 133236, 262771, 266472, 525542, 788313, 1051084, 1576626, 2102168, 2364939, 3153252, 4729878, 6306504, 9459756, 18919512]

約数ペア:

[(1, 18919512), (2, 9459756), (3, 6306504), (4, 4729878), (6, 3153252), (8, 2364939), (9, 2102168), (12, 1576626), (18, 1051084), (24, 788313), (36, 525542), (71, 266472), (72, 262771), (142, 133236), (213, 88824), (284, 66618), (426, 44412), (568, 33309), (639, 29608), (852, 22206), (1278, 14804), (1704, 11103), (2556, 7402), (3701, 5112)]