1919190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 128

約数和(自身を含む): 6128640

約数和(自身を除く): 4209450

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 37, 38, 39, 42, 57, 65, 70, 74, 78, 91, 95, 105, 111, 114, 130, 133, 182, 185, 190, 195, 210, 222, 247, 259, 266, 273, 285, 370, 390, 399, 455, 481, 494, 518, 546, 555, 570, 665, 703, 741, 777, 798, 910, 962, 1110, 1235, 1295, 1330, 1365, 1406, 1443, 1482, 1554, 1729, 1995, 2109, 2405, 2470, 2590, 2730, 2886, 3367, 3458, 3515, 3705, 3885, 3990, 4218, 4810, 4921, 5187, 6734, 7030, 7215, 7410, 7770, 8645, 9139, 9842, 10101, 10374, 10545, 14430, 14763, 16835, 17290, 18278, 20202, 21090, 24605, 25935, 27417, 29526, 33670, 45695, 49210, 50505, 51870, 54834, 63973, 73815, 91390, 101010, 127946, 137085, 147630, 191919, 274170, 319865, 383838, 639730, 959595, 1919190]

約数ペア:

[(1, 1919190), (2, 959595), (3, 639730), (5, 383838), (6, 319865), (7, 274170), (10, 191919), (13, 147630), (14, 137085), (15, 127946), (19, 101010), (21, 91390), (26, 73815), (30, 63973), (35, 54834), (37, 51870), (38, 50505), (39, 49210), (42, 45695), (57, 33670), (65, 29526), (70, 27417), (74, 25935), (78, 24605), (91, 21090), (95, 20202), (105, 18278), (111, 17290), (114, 16835), (130, 14763), (133, 14430), (182, 10545), (185, 10374), (190, 10101), (195, 9842), (210, 9139), (222, 8645), (247, 7770), (259, 7410), (266, 7215), (273, 7030), (285, 6734), (370, 5187), (390, 4921), (399, 4810), (455, 4218), (481, 3990), (494, 3885), (518, 3705), (546, 3515), (555, 3458), (570, 3367), (665, 2886), (703, 2730), (741, 2590), (777, 2470), (798, 2405), (910, 2109), (962, 1995), (1110, 1729), (1235, 1554), (1295, 1482), (1330, 1443), (1365, 1406)]