18394904

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 39197760

約数和(自身を除く): 20802856

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 613, 682, 968, 1226, 1364, 2452, 2728, 3751, 4904, 6743, 7502, 13486, 15004, 19003, 26972, 30008, 38006, 53944, 74173, 76012, 148346, 152024, 209033, 296692, 418066, 593384, 836132, 1672264, 2299363, 4598726, 9197452, 18394904]

約数ペア:

[(1, 18394904), (2, 9197452), (4, 4598726), (8, 2299363), (11, 1672264), (22, 836132), (31, 593384), (44, 418066), (62, 296692), (88, 209033), (121, 152024), (124, 148346), (242, 76012), (248, 74173), (341, 53944), (484, 38006), (613, 30008), (682, 26972), (968, 19003), (1226, 15004), (1364, 13486), (2452, 7502), (2728, 6743), (3751, 4904)]