19815030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 36638730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1439, 1530, 2295, 2754, 2878, 4317, 4590, 6885, 7195, 8634, 12951, 13770, 14390, 21585, 24463, 25902, 38853, 43170, 48926, 64755, 73389, 77706, 116559, 122315, 129510, 146778, 194265, 220167, 233118, 244630, 366945, 388530, 440334, 582795, 660501, 733890, 1100835, 1165590, 1321002, 1981503, 2201670, 3302505, 3963006, 6605010, 9907515, 19815030]

約数ペア:

[(1, 19815030), (2, 9907515), (3, 6605010), (5, 3963006), (6, 3302505), (9, 2201670), (10, 1981503), (15, 1321002), (17, 1165590), (18, 1100835), (27, 733890), (30, 660501), (34, 582795), (45, 440334), (51, 388530), (54, 366945), (81, 244630), (85, 233118), (90, 220167), (102, 194265), (135, 146778), (153, 129510), (162, 122315), (170, 116559), (255, 77706), (270, 73389), (306, 64755), (405, 48926), (459, 43170), (510, 38853), (765, 25902), (810, 24463), (918, 21585), (1377, 14390), (1439, 13770), (1530, 12951), (2295, 8634), (2754, 7195), (2878, 6885), (4317, 4590)]