18888390

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{2591}}^1$

素因数の和:2616

約数の個数: 56

約数和(自身を含む): 50995008

約数和(自身を除く): 32106618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 2591, 3645, 5182, 7290, 7773, 12955, 15546, 23319, 25910, 38865, 46638, 69957, 77730, 116595, 139914, 209871, 233190, 349785, 419742, 629613, 699570, 1049355, 1259226, 1888839, 2098710, 3148065, 3777678, 6296130, 9444195, 18888390]

約数ペア:

[(1, 18888390), (2, 9444195), (3, 6296130), (5, 3777678), (6, 3148065), (9, 2098710), (10, 1888839), (15, 1259226), (18, 1049355), (27, 699570), (30, 629613), (45, 419742), (54, 349785), (81, 233190), (90, 209871), (135, 139914), (162, 116595), (243, 77730), (270, 69957), (405, 46638), (486, 38865), (729, 25910), (810, 23319), (1215, 15546), (1458, 12955), (2430, 7773), (2591, 7290), (3645, 5182)]