18659340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 47384820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 251, 252, 295, 315, 354, 413, 420, 502, 531, 590, 630, 708, 753, 826, 885, 1004, 1062, 1180, 1239, 1255, 1260, 1506, 1652, 1757, 1770, 2065, 2124, 2259, 2478, 2510, 2655, 3012, 3514, 3540, 3717, 3765, 4130, 4518, 4956, 5020, 5271, 5310, 6195, 7028, 7434, 7530, 8260, 8785, 9036, 10542, 10620, 11295, 12390, 14809, 14868, 15060, 15813, 17570, 18585, 21084, 22590, 24780, 26355, 29618, 31626, 35140, 37170, 44427, 45180, 52710, 59236, 63252, 74045, 74340, 79065, 88854, 103663, 105420, 133281, 148090, 158130, 177708, 207326, 222135, 266562, 296180, 310989, 316260, 414652, 444270, 518315, 533124, 621978, 666405, 888540, 932967, 1036630, 1243956, 1332810, 1554945, 1865934, 2073260, 2665620, 3109890, 3731868, 4664835, 6219780, 9329670, 18659340]

約数ペア:

[(1, 18659340), (2, 9329670), (3, 6219780), (4, 4664835), (5, 3731868), (6, 3109890), (7, 2665620), (9, 2073260), (10, 1865934), (12, 1554945), (14, 1332810), (15, 1243956), (18, 1036630), (20, 932967), (21, 888540), (28, 666405), (30, 621978), (35, 533124), (36, 518315), (42, 444270), (45, 414652), (59, 316260), (60, 310989), (63, 296180), (70, 266562), (84, 222135), (90, 207326), (105, 177708), (118, 158130), (126, 148090), (140, 133281), (177, 105420), (180, 103663), (210, 88854), (236, 79065), (251, 74340), (252, 74045), (295, 63252), (315, 59236), (354, 52710), (413, 45180), (420, 44427), (502, 37170), (531, 35140), (590, 31626), (630, 29618), (708, 26355), (753, 24780), (826, 22590), (885, 21084), (1004, 18585), (1062, 17570), (1180, 15813), (1239, 15060), (1255, 14868), (1260, 14809), (1506, 12390), (1652, 11295), (1757, 10620), (1770, 10542), (2065, 9036), (2124, 8785), (2259, 8260), (2478, 7530), (2510, 7434), (2655, 7028), (3012, 6195), (3514, 5310), (3540, 5271), (3717, 5020), (3765, 4956), (4130, 4518)]