18646620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 56137536

約数和(自身を除く): 37490916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 101, 102, 170, 181, 202, 204, 255, 303, 340, 362, 404, 505, 510, 543, 606, 724, 905, 1010, 1020, 1086, 1212, 1515, 1717, 1810, 2020, 2172, 2715, 3030, 3077, 3434, 3620, 5151, 5430, 6060, 6154, 6868, 8585, 9231, 10302, 10860, 12308, 15385, 17170, 18281, 18462, 20604, 25755, 30770, 34340, 36562, 36924, 46155, 51510, 54843, 61540, 73124, 91405, 92310, 103020, 109686, 182810, 184620, 219372, 274215, 310777, 365620, 548430, 621554, 932331, 1096860, 1243108, 1553885, 1864662, 3107770, 3729324, 4661655, 6215540, 9323310, 18646620]

約数ペア:

[(1, 18646620), (2, 9323310), (3, 6215540), (4, 4661655), (5, 3729324), (6, 3107770), (10, 1864662), (12, 1553885), (15, 1243108), (17, 1096860), (20, 932331), (30, 621554), (34, 548430), (51, 365620), (60, 310777), (68, 274215), (85, 219372), (101, 184620), (102, 182810), (170, 109686), (181, 103020), (202, 92310), (204, 91405), (255, 73124), (303, 61540), (340, 54843), (362, 51510), (404, 46155), (505, 36924), (510, 36562), (543, 34340), (606, 30770), (724, 25755), (905, 20604), (1010, 18462), (1020, 18281), (1086, 17170), (1212, 15385), (1515, 12308), (1717, 10860), (1810, 10302), (2020, 9231), (2172, 8585), (2715, 6868), (3030, 6154), (3077, 6060), (3434, 5430), (3620, 5151)]