2018249940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4805357}}^1$

素因数の和:4805376

約数の個数: 48

約数和(自身を含む): 6458401152

約数和(自身を除く): 4440151212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4805357, 9610714, 14416071, 19221428, 24026785, 28832142, 33637499, 48053570, 57664284, 67274998, 72080355, 96107140, 100912497, 134549996, 144160710, 168187495, 201824994, 288321420, 336374990, 403649988, 504562485, 672749980, 1009124970, 2018249940]

約数ペア:

[(1, 2018249940), (2, 1009124970), (3, 672749980), (4, 504562485), (5, 403649988), (6, 336374990), (7, 288321420), (10, 201824994), (12, 168187495), (14, 144160710), (15, 134549996), (20, 100912497), (21, 96107140), (28, 72080355), (30, 67274998), (35, 57664284), (42, 48053570), (60, 33637499), (70, 28832142), (84, 24026785), (105, 19221428), (140, 14416071), (210, 9610714), (420, 4805357)]