18000612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 52899392

約数和(自身を除く): 34898780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1171, 1281, 1708, 2196, 2342, 2562, 3513, 3843, 4684, 5124, 7026, 7686, 8197, 10539, 14052, 15372, 16394, 21078, 24591, 32788, 42156, 49182, 71431, 73773, 98364, 142862, 147546, 214293, 285724, 295092, 428586, 500017, 642879, 857172, 1000034, 1285758, 1500051, 2000068, 2571516, 3000102, 4500153, 6000204, 9000306, 18000612]

約数ペア:

[(1, 18000612), (2, 9000306), (3, 6000204), (4, 4500153), (6, 3000102), (7, 2571516), (9, 2000068), (12, 1500051), (14, 1285758), (18, 1000034), (21, 857172), (28, 642879), (36, 500017), (42, 428586), (61, 295092), (63, 285724), (84, 214293), (122, 147546), (126, 142862), (183, 98364), (244, 73773), (252, 71431), (366, 49182), (427, 42156), (549, 32788), (732, 24591), (854, 21078), (1098, 16394), (1171, 15372), (1281, 14052), (1708, 10539), (2196, 8197), (2342, 7686), (2562, 7026), (3513, 5124), (3843, 4684)]