18225180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 59000760

約数和(自身を除く): 40775580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 114, 146, 171, 180, 190, 219, 228, 285, 292, 342, 365, 380, 438, 570, 657, 684, 730, 855, 876, 1095, 1140, 1314, 1387, 1460, 1710, 2190, 2628, 2774, 3285, 3420, 4161, 4380, 5329, 5548, 6570, 6935, 8322, 10658, 12483, 13140, 13870, 15987, 16644, 20805, 21316, 24966, 26645, 27740, 31974, 41610, 47961, 49932, 53290, 62415, 63948, 79935, 83220, 95922, 101251, 106580, 124830, 159870, 191844, 202502, 239805, 249660, 303753, 319740, 405004, 479610, 506255, 607506, 911259, 959220, 1012510, 1215012, 1518765, 1822518, 2025020, 3037530, 3645036, 4556295, 6075060, 9112590, 18225180]

約数ペア:

[(1, 18225180), (2, 9112590), (3, 6075060), (4, 4556295), (5, 3645036), (6, 3037530), (9, 2025020), (10, 1822518), (12, 1518765), (15, 1215012), (18, 1012510), (19, 959220), (20, 911259), (30, 607506), (36, 506255), (38, 479610), (45, 405004), (57, 319740), (60, 303753), (73, 249660), (76, 239805), (90, 202502), (95, 191844), (114, 159870), (146, 124830), (171, 106580), (180, 101251), (190, 95922), (219, 83220), (228, 79935), (285, 63948), (292, 62415), (342, 53290), (365, 49932), (380, 47961), (438, 41610), (570, 31974), (657, 27740), (684, 26645), (730, 24966), (855, 21316), (876, 20805), (1095, 16644), (1140, 15987), (1314, 13870), (1387, 13140), (1460, 12483), (1710, 10658), (2190, 8322), (2628, 6935), (2774, 6570), (3285, 5548), (3420, 5329), (4161, 4380)]