18021900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4621}}^1$

素因数の和:4651

約数の個数: 72

約数和(自身を含む): 56166544

約数和(自身を除く): 38144644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4621, 9242, 13863, 18484, 23105, 27726, 46210, 55452, 60073, 69315, 92420, 115525, 120146, 138630, 180219, 231050, 240292, 277260, 300365, 346575, 360438, 462100, 600730, 693150, 720876, 901095, 1201460, 1386300, 1501825, 1802190, 3003650, 3604380, 4505475, 6007300, 9010950, 18021900]

約数ペア:

[(1, 18021900), (2, 9010950), (3, 6007300), (4, 4505475), (5, 3604380), (6, 3003650), (10, 1802190), (12, 1501825), (13, 1386300), (15, 1201460), (20, 901095), (25, 720876), (26, 693150), (30, 600730), (39, 462100), (50, 360438), (52, 346575), (60, 300365), (65, 277260), (75, 240292), (78, 231050), (100, 180219), (130, 138630), (150, 120146), (156, 115525), (195, 92420), (260, 69315), (300, 60073), (325, 55452), (390, 46210), (650, 27726), (780, 23105), (975, 18484), (1300, 13863), (1950, 9242), (3900, 4621)]