19214820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 62508600

約数和(自身を除く): 43293780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 409, 435, 522, 540, 580, 783, 810, 818, 870, 1044, 1227, 1305, 1566, 1620, 1636, 1740, 2045, 2349, 2454, 2610, 3132, 3681, 3915, 4090, 4698, 4908, 5220, 6135, 7362, 7830, 8180, 9396, 11043, 11745, 11861, 12270, 14724, 15660, 18405, 22086, 23490, 23722, 24540, 33129, 35583, 36810, 44172, 46980, 47444, 55215, 59305, 66258, 71166, 73620, 106749, 110430, 118610, 132516, 142332, 165645, 177915, 213498, 220860, 237220, 320247, 331290, 355830, 426996, 533745, 640494, 662580, 711660, 960741, 1067490, 1280988, 1601235, 1921482, 2134980, 3202470, 3842964, 4803705, 6404940, 9607410, 19214820]

約数ペア:

[(1, 19214820), (2, 9607410), (3, 6404940), (4, 4803705), (5, 3842964), (6, 3202470), (9, 2134980), (10, 1921482), (12, 1601235), (15, 1280988), (18, 1067490), (20, 960741), (27, 711660), (29, 662580), (30, 640494), (36, 533745), (45, 426996), (54, 355830), (58, 331290), (60, 320247), (81, 237220), (87, 220860), (90, 213498), (108, 177915), (116, 165645), (135, 142332), (145, 132516), (162, 118610), (174, 110430), (180, 106749), (261, 73620), (270, 71166), (290, 66258), (324, 59305), (348, 55215), (405, 47444), (409, 46980), (435, 44172), (522, 36810), (540, 35583), (580, 33129), (783, 24540), (810, 23722), (818, 23490), (870, 22086), (1044, 18405), (1227, 15660), (1305, 14724), (1566, 12270), (1620, 11861), (1636, 11745), (1740, 11043), (2045, 9396), (2349, 8180), (2454, 7830), (2610, 7362), (3132, 6135), (3681, 5220), (3915, 4908), (4090, 4698)]