18809820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 62569584

約数和(自身を除く): 43759764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 683, 765, 810, 918, 1020, 1366, 1377, 1530, 1620, 1836, 2049, 2295, 2732, 2754, 3060, 3415, 4098, 4590, 5508, 6147, 6830, 6885, 8196, 9180, 10245, 11611, 12294, 13660, 13770, 18441, 20490, 23222, 24588, 27540, 30735, 34833, 36882, 40980, 46444, 55323, 58055, 61470, 69666, 73764, 92205, 104499, 110646, 116110, 122940, 139332, 174165, 184410, 208998, 221292, 232220, 276615, 313497, 348330, 368820, 417996, 522495, 553230, 626994, 696660, 940491, 1044990, 1106460, 1253988, 1567485, 1880982, 2089980, 3134970, 3761964, 4702455, 6269940, 9404910, 18809820]

約数ペア:

[(1, 18809820), (2, 9404910), (3, 6269940), (4, 4702455), (5, 3761964), (6, 3134970), (9, 2089980), (10, 1880982), (12, 1567485), (15, 1253988), (17, 1106460), (18, 1044990), (20, 940491), (27, 696660), (30, 626994), (34, 553230), (36, 522495), (45, 417996), (51, 368820), (54, 348330), (60, 313497), (68, 276615), (81, 232220), (85, 221292), (90, 208998), (102, 184410), (108, 174165), (135, 139332), (153, 122940), (162, 116110), (170, 110646), (180, 104499), (204, 92205), (255, 73764), (270, 69666), (306, 61470), (324, 58055), (340, 55323), (405, 46444), (459, 40980), (510, 36882), (540, 34833), (612, 30735), (683, 27540), (765, 24588), (810, 23222), (918, 20490), (1020, 18441), (1366, 13770), (1377, 13660), (1530, 12294), (1620, 11611), (1836, 10245), (2049, 9180), (2295, 8196), (2732, 6885), (2754, 6830), (3060, 6147), (3415, 5508), (4098, 4590)]