1219654802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 1948320000

約数和(自身を除く): 728665198

約数列:

[1, 2, 19, 38, 131, 262, 491, 499, 982, 998, 2489, 4978, 9329, 9481, 18658, 18962, 64321, 65369, 128642, 130738, 245009, 490018, 1222099, 1242011, 2444198, 2484022, 4655171, 9310342, 32096179, 64192358, 609827401, 1219654802]

約数ペア:

[(1, 1219654802), (2, 609827401), (19, 64192358), (38, 32096179), (131, 9310342), (262, 4655171), (491, 2484022), (499, 2444198), (982, 1242011), (998, 1222099), (2489, 490018), (4978, 245009), (9329, 130738), (9481, 128642), (18658, 65369), (18962, 64321)]