19398360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 63529920

約数和(自身を除く): 44131560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 257, 296, 340, 370, 408, 444, 510, 514, 555, 629, 680, 740, 771, 888, 1020, 1028, 1110, 1258, 1285, 1480, 1542, 1887, 2040, 2056, 2220, 2516, 2570, 3084, 3145, 3774, 3855, 4369, 4440, 5032, 5140, 6168, 6290, 7548, 7710, 8738, 9435, 9509, 10280, 12580, 13107, 15096, 15420, 17476, 18870, 19018, 21845, 25160, 26214, 28527, 30840, 34952, 37740, 38036, 43690, 47545, 52428, 57054, 65535, 75480, 76072, 87380, 95090, 104856, 114108, 131070, 142635, 161653, 174760, 190180, 228216, 262140, 285270, 323306, 380360, 484959, 524280, 570540, 646612, 808265, 969918, 1141080, 1293224, 1616530, 1939836, 2424795, 3233060, 3879672, 4849590, 6466120, 9699180, 19398360]

約数ペア:

[(1, 19398360), (2, 9699180), (3, 6466120), (4, 4849590), (5, 3879672), (6, 3233060), (8, 2424795), (10, 1939836), (12, 1616530), (15, 1293224), (17, 1141080), (20, 969918), (24, 808265), (30, 646612), (34, 570540), (37, 524280), (40, 484959), (51, 380360), (60, 323306), (68, 285270), (74, 262140), (85, 228216), (102, 190180), (111, 174760), (120, 161653), (136, 142635), (148, 131070), (170, 114108), (185, 104856), (204, 95090), (222, 87380), (255, 76072), (257, 75480), (296, 65535), (340, 57054), (370, 52428), (408, 47545), (444, 43690), (510, 38036), (514, 37740), (555, 34952), (629, 30840), (680, 28527), (740, 26214), (771, 25160), (888, 21845), (1020, 19018), (1028, 18870), (1110, 17476), (1258, 15420), (1285, 15096), (1480, 13107), (1542, 12580), (1887, 10280), (2040, 9509), (2056, 9435), (2220, 8738), (2516, 7710), (2570, 7548), (3084, 6290), (3145, 6168), (3774, 5140), (3855, 5032), (4369, 4440)]