18829860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 42133980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 419, 420, 428, 535, 642, 749, 838, 1070, 1257, 1284, 1498, 1605, 1676, 2095, 2140, 2247, 2514, 2933, 2996, 3210, 3745, 4190, 4494, 5028, 5866, 6285, 6420, 7490, 8380, 8799, 8988, 11235, 11732, 12570, 14665, 14980, 17598, 22470, 25140, 29330, 35196, 43995, 44833, 44940, 58660, 87990, 89666, 134499, 175980, 179332, 224165, 268998, 313831, 448330, 537996, 627662, 672495, 896660, 941493, 1255324, 1344990, 1569155, 1882986, 2689980, 3138310, 3765972, 4707465, 6276620, 9414930, 18829860]

約数ペア:

[(1, 18829860), (2, 9414930), (3, 6276620), (4, 4707465), (5, 3765972), (6, 3138310), (7, 2689980), (10, 1882986), (12, 1569155), (14, 1344990), (15, 1255324), (20, 941493), (21, 896660), (28, 672495), (30, 627662), (35, 537996), (42, 448330), (60, 313831), (70, 268998), (84, 224165), (105, 179332), (107, 175980), (140, 134499), (210, 89666), (214, 87990), (321, 58660), (419, 44940), (420, 44833), (428, 43995), (535, 35196), (642, 29330), (749, 25140), (838, 22470), (1070, 17598), (1257, 14980), (1284, 14665), (1498, 12570), (1605, 11732), (1676, 11235), (2095, 8988), (2140, 8799), (2247, 8380), (2514, 7490), (2933, 6420), (2996, 6285), (3210, 5866), (3745, 5028), (4190, 4494)]