18212320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 52744608

約数和(自身を除く): 34532288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 101, 112, 115, 140, 160, 161, 184, 196, 202, 224, 230, 245, 280, 322, 368, 392, 404, 460, 490, 505, 560, 644, 707, 736, 784, 805, 808, 920, 980, 1010, 1120, 1127, 1288, 1414, 1568, 1610, 1616, 1840, 1960, 2020, 2254, 2323, 2576, 2828, 3220, 3232, 3535, 3680, 3920, 4040, 4508, 4646, 4949, 5152, 5635, 5656, 6440, 7070, 7840, 8080, 9016, 9292, 9898, 11270, 11312, 11615, 12880, 14140, 16160, 16261, 18032, 18584, 19796, 22540, 22624, 23230, 24745, 25760, 28280, 32522, 36064, 37168, 39592, 45080, 46460, 49490, 56560, 65044, 74336, 79184, 81305, 90160, 92920, 98980, 113120, 113827, 130088, 158368, 162610, 180320, 185840, 197960, 227654, 260176, 325220, 371680, 395920, 455308, 520352, 569135, 650440, 791840, 910616, 1138270, 1300880, 1821232, 2276540, 2601760, 3642464, 4553080, 9106160, 18212320]

約数ペア:

[(1, 18212320), (2, 9106160), (4, 4553080), (5, 3642464), (7, 2601760), (8, 2276540), (10, 1821232), (14, 1300880), (16, 1138270), (20, 910616), (23, 791840), (28, 650440), (32, 569135), (35, 520352), (40, 455308), (46, 395920), (49, 371680), (56, 325220), (70, 260176), (80, 227654), (92, 197960), (98, 185840), (101, 180320), (112, 162610), (115, 158368), (140, 130088), (160, 113827), (161, 113120), (184, 98980), (196, 92920), (202, 90160), (224, 81305), (230, 79184), (245, 74336), (280, 65044), (322, 56560), (368, 49490), (392, 46460), (404, 45080), (460, 39592), (490, 37168), (505, 36064), (560, 32522), (644, 28280), (707, 25760), (736, 24745), (784, 23230), (805, 22624), (808, 22540), (920, 19796), (980, 18584), (1010, 18032), (1120, 16261), (1127, 16160), (1288, 14140), (1414, 12880), (1568, 11615), (1610, 11312), (1616, 11270), (1840, 9898), (1960, 9292), (2020, 9016), (2254, 8080), (2323, 7840), (2576, 7070), (2828, 6440), (3220, 5656), (3232, 5635), (3535, 5152), (3680, 4949), (3920, 4646), (4040, 4508)]