19299668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 18614572

約数列:

[1, 2, 4, 19, 23, 38, 46, 61, 76, 92, 122, 181, 244, 362, 437, 724, 874, 1159, 1403, 1748, 2318, 2806, 3439, 4163, 4636, 5612, 6878, 8326, 11041, 13756, 16652, 22082, 26657, 44164, 53314, 79097, 106628, 158194, 209779, 253943, 316388, 419558, 507886, 839116, 1015772, 4824917, 9649834, 19299668]

約数ペア:

[(1, 19299668), (2, 9649834), (4, 4824917), (19, 1015772), (23, 839116), (38, 507886), (46, 419558), (61, 316388), (76, 253943), (92, 209779), (122, 158194), (181, 106628), (244, 79097), (362, 53314), (437, 44164), (724, 26657), (874, 22082), (1159, 16652), (1403, 13756), (1748, 11041), (2318, 8326), (2806, 6878), (3439, 5612), (4163, 4636)]