18495320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 44906400

約数和(自身を除く): 26411080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 461, 472, 590, 680, 922, 1003, 1180, 1844, 2006, 2305, 2360, 3688, 4012, 4610, 5015, 7837, 8024, 9220, 10030, 15674, 18440, 20060, 27199, 31348, 39185, 40120, 54398, 62696, 78370, 108796, 135995, 156740, 217592, 271990, 313480, 462383, 543980, 924766, 1087960, 1849532, 2311915, 3699064, 4623830, 9247660, 18495320]

約数ペア:

[(1, 18495320), (2, 9247660), (4, 4623830), (5, 3699064), (8, 2311915), (10, 1849532), (17, 1087960), (20, 924766), (34, 543980), (40, 462383), (59, 313480), (68, 271990), (85, 217592), (118, 156740), (136, 135995), (170, 108796), (236, 78370), (295, 62696), (340, 54398), (461, 40120), (472, 39185), (590, 31348), (680, 27199), (922, 20060), (1003, 18440), (1180, 15674), (1844, 10030), (2006, 9220), (2305, 8024), (2360, 7837), (3688, 5015), (4012, 4610)]