18705780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6113}}^1$

素因数の和:6145

約数の個数: 72

約数和(自身を含む): 60088392

約数和(自身を除く): 41382612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6113, 12226, 18339, 24452, 30565, 36678, 55017, 61130, 73356, 91695, 103921, 110034, 122260, 183390, 207842, 220068, 275085, 311763, 366780, 415684, 519605, 550170, 623526, 935289, 1039210, 1100340, 1247052, 1558815, 1870578, 2078420, 3117630, 3741156, 4676445, 6235260, 9352890, 18705780]

約数ペア:

[(1, 18705780), (2, 9352890), (3, 6235260), (4, 4676445), (5, 3741156), (6, 3117630), (9, 2078420), (10, 1870578), (12, 1558815), (15, 1247052), (17, 1100340), (18, 1039210), (20, 935289), (30, 623526), (34, 550170), (36, 519605), (45, 415684), (51, 366780), (60, 311763), (68, 275085), (85, 220068), (90, 207842), (102, 183390), (153, 122260), (170, 110034), (180, 103921), (204, 91695), (255, 73356), (306, 61130), (340, 55017), (510, 36678), (612, 30565), (765, 24452), (1020, 18339), (1530, 12226), (3060, 6113)]