19428930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 52202880

約数和(自身を除く): 32773950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 227, 270, 317, 454, 634, 681, 951, 1135, 1362, 1585, 1902, 2043, 2270, 2853, 3170, 3405, 4086, 4755, 5706, 6129, 6810, 8559, 9510, 10215, 12258, 14265, 17118, 20430, 28530, 30645, 42795, 61290, 71959, 85590, 143918, 215877, 359795, 431754, 647631, 719590, 1079385, 1295262, 1942893, 2158770, 3238155, 3885786, 6476310, 9714465, 19428930]

約数ペア:

[(1, 19428930), (2, 9714465), (3, 6476310), (5, 3885786), (6, 3238155), (9, 2158770), (10, 1942893), (15, 1295262), (18, 1079385), (27, 719590), (30, 647631), (45, 431754), (54, 359795), (90, 215877), (135, 143918), (227, 85590), (270, 71959), (317, 61290), (454, 42795), (634, 30645), (681, 28530), (951, 20430), (1135, 17118), (1362, 14265), (1585, 12258), (1902, 10215), (2043, 9510), (2270, 8559), (2853, 6810), (3170, 6129), (3405, 5706), (4086, 4755)]