18348780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17989}}^1$

素因数の和:18018

約数の個数: 48

約数和(自身を含む): 54401760

約数和(自身を除く): 36052980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 17989, 35978, 53967, 71956, 89945, 107934, 179890, 215868, 269835, 305813, 359780, 539670, 611626, 917439, 1079340, 1223252, 1529065, 1834878, 3058130, 3669756, 4587195, 6116260, 9174390, 18348780]

約数ペア:

[(1, 18348780), (2, 9174390), (3, 6116260), (4, 4587195), (5, 3669756), (6, 3058130), (10, 1834878), (12, 1529065), (15, 1223252), (17, 1079340), (20, 917439), (30, 611626), (34, 539670), (51, 359780), (60, 305813), (68, 269835), (85, 215868), (102, 179890), (170, 107934), (204, 89945), (255, 71956), (340, 53967), (510, 35978), (1020, 17989)]