19407540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 39379020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 102, 106, 159, 170, 204, 212, 255, 265, 318, 340, 359, 510, 530, 636, 718, 795, 901, 1020, 1060, 1077, 1436, 1590, 1795, 1802, 2154, 2703, 3180, 3590, 3604, 4308, 4505, 5385, 5406, 6103, 7180, 9010, 10770, 10812, 12206, 13515, 18020, 18309, 19027, 21540, 24412, 27030, 30515, 36618, 38054, 54060, 57081, 61030, 73236, 76108, 91545, 95135, 114162, 122060, 183090, 190270, 228324, 285405, 323459, 366180, 380540, 570810, 646918, 970377, 1141620, 1293836, 1617295, 1940754, 3234590, 3881508, 4851885, 6469180, 9703770, 19407540]

約数ペア:

[(1, 19407540), (2, 9703770), (3, 6469180), (4, 4851885), (5, 3881508), (6, 3234590), (10, 1940754), (12, 1617295), (15, 1293836), (17, 1141620), (20, 970377), (30, 646918), (34, 570810), (51, 380540), (53, 366180), (60, 323459), (68, 285405), (85, 228324), (102, 190270), (106, 183090), (159, 122060), (170, 114162), (204, 95135), (212, 91545), (255, 76108), (265, 73236), (318, 61030), (340, 57081), (359, 54060), (510, 38054), (530, 36618), (636, 30515), (718, 27030), (795, 24412), (901, 21540), (1020, 19027), (1060, 18309), (1077, 18020), (1436, 13515), (1590, 12206), (1795, 10812), (1802, 10770), (2154, 9010), (2703, 7180), (3180, 6103), (3590, 5406), (3604, 5385), (4308, 4505)]