19905516

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3089}}^1$

素因数の和:3278

約数の個数: 36

約数和(自身を含む): 50614200

約数和(自身を除く): 30708684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3089, 3222, 6178, 6444, 9267, 12356, 18534, 27801, 37068, 55602, 111204, 552931, 1105862, 1658793, 2211724, 3317586, 4976379, 6635172, 9952758, 19905516]

約数ペア:

[(1, 19905516), (2, 9952758), (3, 6635172), (4, 4976379), (6, 3317586), (9, 2211724), (12, 1658793), (18, 1105862), (36, 552931), (179, 111204), (358, 55602), (537, 37068), (716, 27801), (1074, 18534), (1611, 12356), (2148, 9267), (3089, 6444), (3222, 6178)]