18748620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 47059668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 557, 561, 612, 660, 748, 765, 935, 990, 1020, 1114, 1122, 1530, 1671, 1683, 1870, 1980, 2228, 2244, 2785, 2805, 3060, 3342, 3366, 3740, 5013, 5570, 5610, 6127, 6684, 6732, 8355, 8415, 9469, 10026, 11140, 11220, 12254, 16710, 16830, 18381, 18938, 20052, 24508, 25065, 28407, 30635, 33420, 33660, 36762, 37876, 47345, 50130, 55143, 56814, 61270, 73524, 85221, 91905, 94690, 100260, 104159, 110286, 113628, 122540, 142035, 170442, 183810, 189380, 208318, 220572, 275715, 284070, 312477, 340884, 367620, 416636, 426105, 520795, 551430, 568140, 624954, 852210, 937431, 1041590, 1102860, 1249908, 1562385, 1704420, 1874862, 2083180, 3124770, 3749724, 4687155, 6249540, 9374310, 18748620]

約数ペア:

[(1, 18748620), (2, 9374310), (3, 6249540), (4, 4687155), (5, 3749724), (6, 3124770), (9, 2083180), (10, 1874862), (11, 1704420), (12, 1562385), (15, 1249908), (17, 1102860), (18, 1041590), (20, 937431), (22, 852210), (30, 624954), (33, 568140), (34, 551430), (36, 520795), (44, 426105), (45, 416636), (51, 367620), (55, 340884), (60, 312477), (66, 284070), (68, 275715), (85, 220572), (90, 208318), (99, 189380), (102, 183810), (110, 170442), (132, 142035), (153, 122540), (165, 113628), (170, 110286), (180, 104159), (187, 100260), (198, 94690), (204, 91905), (220, 85221), (255, 73524), (306, 61270), (330, 56814), (340, 55143), (374, 50130), (396, 47345), (495, 37876), (510, 36762), (557, 33660), (561, 33420), (612, 30635), (660, 28407), (748, 25065), (765, 24508), (935, 20052), (990, 18938), (1020, 18381), (1114, 16830), (1122, 16710), (1530, 12254), (1671, 11220), (1683, 11140), (1870, 10026), (1980, 9469), (2228, 8415), (2244, 8355), (2785, 6732), (2805, 6684), (3060, 6127), (3342, 5610), (3366, 5570), (3740, 5013)]