19485900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1061

約数の個数: 144

約数和(自身を含む): 71662080

約数和(自身を除く): 52176180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1031, 1050, 1260, 1350, 1575, 1890, 2062, 2100, 2700, 3093, 3150, 3780, 4124, 4725, 5155, 6186, 6300, 7217, 9279, 9450, 10310, 12372, 14434, 15465, 18558, 18900, 20620, 21651, 25775, 27837, 28868, 30930, 36085, 37116, 43302, 46395, 51550, 55674, 61860, 64953, 72170, 77325, 86604, 92790, 103100, 108255, 111348, 129906, 139185, 144340, 154650, 180425, 185580, 194859, 216510, 231975, 259812, 278370, 309300, 324765, 360850, 389718, 433020, 463950, 541275, 556740, 649530, 695925, 721700, 779436, 927900, 974295, 1082550, 1299060, 1391850, 1623825, 1948590, 2165100, 2783700, 3247650, 3897180, 4871475, 6495300, 9742950, 19485900]

約数ペア:

[(1, 19485900), (2, 9742950), (3, 6495300), (4, 4871475), (5, 3897180), (6, 3247650), (7, 2783700), (9, 2165100), (10, 1948590), (12, 1623825), (14, 1391850), (15, 1299060), (18, 1082550), (20, 974295), (21, 927900), (25, 779436), (27, 721700), (28, 695925), (30, 649530), (35, 556740), (36, 541275), (42, 463950), (45, 433020), (50, 389718), (54, 360850), (60, 324765), (63, 309300), (70, 278370), (75, 259812), (84, 231975), (90, 216510), (100, 194859), (105, 185580), (108, 180425), (126, 154650), (135, 144340), (140, 139185), (150, 129906), (175, 111348), (180, 108255), (189, 103100), (210, 92790), (225, 86604), (252, 77325), (270, 72170), (300, 64953), (315, 61860), (350, 55674), (378, 51550), (420, 46395), (450, 43302), (525, 37116), (540, 36085), (630, 30930), (675, 28868), (700, 27837), (756, 25775), (900, 21651), (945, 20620), (1031, 18900), (1050, 18558), (1260, 15465), (1350, 14434), (1575, 12372), (1890, 10310), (2062, 9450), (2100, 9279), (2700, 7217), (3093, 6300), (3150, 6186), (3780, 5155), (4124, 4725)]