19681530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 56263680

約数和(自身を除く): 36582150

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 43, 55, 57, 66, 73, 86, 95, 110, 114, 129, 146, 165, 190, 209, 215, 219, 258, 285, 330, 365, 418, 430, 438, 473, 570, 627, 645, 730, 803, 817, 946, 1045, 1095, 1254, 1290, 1387, 1419, 1606, 1634, 2090, 2190, 2365, 2409, 2451, 2774, 2838, 3135, 3139, 4015, 4085, 4161, 4730, 4818, 4902, 6270, 6278, 6935, 7095, 8030, 8170, 8322, 8987, 9417, 12045, 12255, 13870, 14190, 15257, 15695, 17974, 18834, 20805, 24090, 24510, 26961, 30514, 31390, 34529, 41610, 44935, 45771, 47085, 53922, 59641, 69058, 76285, 89870, 91542, 94170, 103587, 119282, 134805, 152570, 172645, 178923, 207174, 228855, 269610, 298205, 345290, 357846, 457710, 517935, 596410, 656051, 894615, 1035870, 1312102, 1789230, 1968153, 3280255, 3936306, 6560510, 9840765, 19681530]

約数ペア:

[(1, 19681530), (2, 9840765), (3, 6560510), (5, 3936306), (6, 3280255), (10, 1968153), (11, 1789230), (15, 1312102), (19, 1035870), (22, 894615), (30, 656051), (33, 596410), (38, 517935), (43, 457710), (55, 357846), (57, 345290), (66, 298205), (73, 269610), (86, 228855), (95, 207174), (110, 178923), (114, 172645), (129, 152570), (146, 134805), (165, 119282), (190, 103587), (209, 94170), (215, 91542), (219, 89870), (258, 76285), (285, 69058), (330, 59641), (365, 53922), (418, 47085), (430, 45771), (438, 44935), (473, 41610), (570, 34529), (627, 31390), (645, 30514), (730, 26961), (803, 24510), (817, 24090), (946, 20805), (1045, 18834), (1095, 17974), (1254, 15695), (1290, 15257), (1387, 14190), (1419, 13870), (1606, 12255), (1634, 12045), (2090, 9417), (2190, 8987), (2365, 8322), (2409, 8170), (2451, 8030), (2774, 7095), (2838, 6935), (3135, 6278), (3139, 6270), (4015, 4902), (4085, 4818), (4161, 4730)]