18235240308

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2089}}^1\times {\mathrm{5639}}^1$

素因数の和:7781

約数の個数: 72

約数和(自身を含む): 47197550400

約数和(自身を除く): 28962310092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 2089, 4178, 5639, 6267, 8356, 11278, 12534, 16917, 18801, 22556, 25068, 33834, 37602, 50751, 67668, 75204, 89827, 101502, 179654, 203004, 242477, 269481, 359308, 484954, 538962, 727431, 808443, 969908, 1077924, 1454862, 1616886, 2182293, 2909724, 3233772, 4364586, 8729172, 11779871, 23559742, 35339613, 47119484, 70679226, 106018839, 141358452, 212037678, 424075356, 506534453, 1013068906, 1519603359, 2026137812, 3039206718, 4558810077, 6078413436, 9117620154, 18235240308]

約数ペア:

[(1, 18235240308), (2, 9117620154), (3, 6078413436), (4, 4558810077), (6, 3039206718), (9, 2026137812), (12, 1519603359), (18, 1013068906), (36, 506534453), (43, 424075356), (86, 212037678), (129, 141358452), (172, 106018839), (258, 70679226), (387, 47119484), (516, 35339613), (774, 23559742), (1548, 11779871), (2089, 8729172), (4178, 4364586), (5639, 3233772), (6267, 2909724), (8356, 2182293), (11278, 1616886), (12534, 1454862), (16917, 1077924), (18801, 969908), (22556, 808443), (25068, 727431), (33834, 538962), (37602, 484954), (50751, 359308), (67668, 269481), (75204, 242477), (89827, 203004), (101502, 179654)]