19996902

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7879}}^1$

素因数の和:7937

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 25391898

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7879, 15758, 23637, 47274, 70911, 141822, 212733, 370313, 425466, 740626, 1110939, 2221878, 3332817, 6665634, 9998451, 19996902]

約数ペア:

[(1, 19996902), (2, 9998451), (3, 6665634), (6, 3332817), (9, 2221878), (18, 1110939), (27, 740626), (47, 425466), (54, 370313), (94, 212733), (141, 141822), (282, 70911), (423, 47274), (846, 23637), (1269, 15758), (2538, 7879)]