19862280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 67651200

約数和(自身を除く): 47788920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 347, 360, 424, 477, 530, 540, 636, 694, 795, 954, 1041, 1060, 1080, 1272, 1388, 1431, 1590, 1735, 1908, 2082, 2120, 2385, 2776, 2862, 3123, 3180, 3470, 3816, 4164, 4770, 5205, 5724, 6246, 6360, 6940, 7155, 8328, 9369, 9540, 10410, 11448, 12492, 13880, 14310, 15615, 18391, 18738, 19080, 20820, 24984, 28620, 31230, 36782, 37476, 41640, 46845, 55173, 57240, 62460, 73564, 74952, 91955, 93690, 110346, 124920, 147128, 165519, 183910, 187380, 220692, 275865, 331038, 367820, 374760, 441384, 496557, 551730, 662076, 735640, 827595, 993114, 1103460, 1324152, 1655190, 1986228, 2206920, 2482785, 3310380, 3972456, 4965570, 6620760, 9931140, 19862280]

約数ペア:

[(1, 19862280), (2, 9931140), (3, 6620760), (4, 4965570), (5, 3972456), (6, 3310380), (8, 2482785), (9, 2206920), (10, 1986228), (12, 1655190), (15, 1324152), (18, 1103460), (20, 993114), (24, 827595), (27, 735640), (30, 662076), (36, 551730), (40, 496557), (45, 441384), (53, 374760), (54, 367820), (60, 331038), (72, 275865), (90, 220692), (106, 187380), (108, 183910), (120, 165519), (135, 147128), (159, 124920), (180, 110346), (212, 93690), (216, 91955), (265, 74952), (270, 73564), (318, 62460), (347, 57240), (360, 55173), (424, 46845), (477, 41640), (530, 37476), (540, 36782), (636, 31230), (694, 28620), (795, 24984), (954, 20820), (1041, 19080), (1060, 18738), (1080, 18391), (1272, 15615), (1388, 14310), (1431, 13880), (1590, 12492), (1735, 11448), (1908, 10410), (2082, 9540), (2120, 9369), (2385, 8328), (2776, 7155), (2862, 6940), (3123, 6360), (3180, 6246), (3470, 5724), (3816, 5205), (4164, 4770)]