19456920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1103}}^1$

素因数の和:1134

約数の個数: 144

約数和(自身を含む): 73625760

約数和(自身を除く): 54168840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1103, 1176, 1260, 1470, 1764, 1960, 2205, 2206, 2520, 2940, 3309, 3528, 4410, 4412, 5515, 5880, 6618, 7721, 8820, 8824, 9927, 11030, 13236, 15442, 16545, 17640, 19854, 22060, 23163, 26472, 30884, 33090, 38605, 39708, 44120, 46326, 49635, 54047, 61768, 66180, 69489, 77210, 79416, 92652, 99270, 108094, 115815, 132360, 138978, 154420, 162141, 185304, 198540, 216188, 231630, 270235, 277956, 308840, 324282, 347445, 397080, 432376, 463260, 486423, 540470, 555912, 648564, 694890, 810705, 926520, 972846, 1080940, 1297128, 1389780, 1621410, 1945692, 2161880, 2432115, 2779560, 3242820, 3891384, 4864230, 6485640, 9728460, 19456920]

約数ペア:

[(1, 19456920), (2, 9728460), (3, 6485640), (4, 4864230), (5, 3891384), (6, 3242820), (7, 2779560), (8, 2432115), (9, 2161880), (10, 1945692), (12, 1621410), (14, 1389780), (15, 1297128), (18, 1080940), (20, 972846), (21, 926520), (24, 810705), (28, 694890), (30, 648564), (35, 555912), (36, 540470), (40, 486423), (42, 463260), (45, 432376), (49, 397080), (56, 347445), (60, 324282), (63, 308840), (70, 277956), (72, 270235), (84, 231630), (90, 216188), (98, 198540), (105, 185304), (120, 162141), (126, 154420), (140, 138978), (147, 132360), (168, 115815), (180, 108094), (196, 99270), (210, 92652), (245, 79416), (252, 77210), (280, 69489), (294, 66180), (315, 61768), (360, 54047), (392, 49635), (420, 46326), (441, 44120), (490, 39708), (504, 38605), (588, 33090), (630, 30884), (735, 26472), (840, 23163), (882, 22060), (980, 19854), (1103, 17640), (1176, 16545), (1260, 15442), (1470, 13236), (1764, 11030), (1960, 9927), (2205, 8824), (2206, 8820), (2520, 7721), (2940, 6618), (3309, 5880), (3528, 5515), (4410, 4412)]