19001140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 43384320

約数和(自身を除く): 24383180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1613, 2356, 2945, 3226, 5890, 6452, 8065, 11780, 16130, 30647, 32260, 50003, 61294, 100006, 122588, 153235, 200012, 250015, 306470, 500030, 612940, 950057, 1000060, 1900114, 3800228, 4750285, 9500570, 19001140]

約数ペア:

[(1, 19001140), (2, 9500570), (4, 4750285), (5, 3800228), (10, 1900114), (19, 1000060), (20, 950057), (31, 612940), (38, 500030), (62, 306470), (76, 250015), (95, 200012), (124, 153235), (155, 122588), (190, 100006), (310, 61294), (380, 50003), (589, 32260), (620, 30647), (1178, 16130), (1613, 11780), (2356, 8065), (2945, 6452), (3226, 5890)]