19065780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3923}}^1$

素因数の和:3947

約数の個数: 72

約数和(自身を含む): 59990112

約数和(自身を除く): 40924332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3923, 4860, 7846, 11769, 15692, 19615, 23538, 35307, 39230, 47076, 58845, 70614, 78460, 105921, 117690, 141228, 176535, 211842, 235380, 317763, 353070, 423684, 529605, 635526, 706140, 953289, 1059210, 1271052, 1588815, 1906578, 2118420, 3177630, 3813156, 4766445, 6355260, 9532890, 19065780]

約数ペア:

[(1, 19065780), (2, 9532890), (3, 6355260), (4, 4766445), (5, 3813156), (6, 3177630), (9, 2118420), (10, 1906578), (12, 1588815), (15, 1271052), (18, 1059210), (20, 953289), (27, 706140), (30, 635526), (36, 529605), (45, 423684), (54, 353070), (60, 317763), (81, 235380), (90, 211842), (108, 176535), (135, 141228), (162, 117690), (180, 105921), (243, 78460), (270, 70614), (324, 58845), (405, 47076), (486, 39230), (540, 35307), (810, 23538), (972, 19615), (1215, 15692), (1620, 11769), (2430, 7846), (3923, 4860)]