18456930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 31153950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 347, 394, 591, 694, 985, 1041, 1182, 1735, 1773, 1970, 2082, 2955, 3123, 3470, 3546, 5205, 5319, 5910, 6246, 8865, 9369, 10410, 10638, 15615, 17730, 18738, 26595, 31230, 46845, 53190, 68359, 93690, 136718, 205077, 341795, 410154, 615231, 683590, 1025385, 1230462, 1845693, 2050770, 3076155, 3691386, 6152310, 9228465, 18456930]

約数ペア:

[(1, 18456930), (2, 9228465), (3, 6152310), (5, 3691386), (6, 3076155), (9, 2050770), (10, 1845693), (15, 1230462), (18, 1025385), (27, 683590), (30, 615231), (45, 410154), (54, 341795), (90, 205077), (135, 136718), (197, 93690), (270, 68359), (347, 53190), (394, 46845), (591, 31230), (694, 26595), (985, 18738), (1041, 17730), (1182, 15615), (1735, 10638), (1773, 10410), (1970, 9369), (2082, 8865), (2955, 6246), (3123, 5910), (3470, 5319), (3546, 5205)]