19045980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5569}}^1$

素因数の和:5603

約数の個数: 72

約数和(自身を含む): 60824400

約数和(自身を除く): 41778420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5569, 11138, 16707, 22276, 27845, 33414, 50121, 55690, 66828, 83535, 100242, 105811, 111380, 167070, 200484, 211622, 250605, 317433, 334140, 423244, 501210, 529055, 634866, 952299, 1002420, 1058110, 1269732, 1587165, 1904598, 2116220, 3174330, 3809196, 4761495, 6348660, 9522990, 19045980]

約数ペア:

[(1, 19045980), (2, 9522990), (3, 6348660), (4, 4761495), (5, 3809196), (6, 3174330), (9, 2116220), (10, 1904598), (12, 1587165), (15, 1269732), (18, 1058110), (19, 1002420), (20, 952299), (30, 634866), (36, 529055), (38, 501210), (45, 423244), (57, 334140), (60, 317433), (76, 250605), (90, 211622), (95, 200484), (114, 167070), (171, 111380), (180, 105811), (190, 100242), (228, 83535), (285, 66828), (342, 55690), (380, 50121), (570, 33414), (684, 27845), (855, 22276), (1140, 16707), (1710, 11138), (3420, 5569)]