19376640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{29}}^2$

素因数の和:87

約数の個数: 180

約数和(自身を含む): 69500574

約数和(自身を除く): 50123934

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 256, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 512, 522, 576, 580, 640, 696, 720, 768, 841, 870, 928, 960, 1044, 1152, 1160, 1280, 1305, 1392, 1440, 1536, 1682, 1740, 1856, 1920, 2088, 2304, 2320, 2523, 2560, 2610, 2784, 2880, 3364, 3480, 3712, 3840, 4176, 4205, 4608, 4640, 5046, 5220, 5568, 5760, 6728, 6960, 7424, 7569, 7680, 8352, 8410, 9280, 10092, 10440, 11136, 11520, 12615, 13456, 13920, 14848, 15138, 16704, 16820, 18560, 20184, 20880, 22272, 23040, 25230, 26912, 27840, 30276, 33408, 33640, 37120, 37845, 40368, 41760, 44544, 50460, 53824, 55680, 60552, 66816, 67280, 74240, 75690, 80736, 83520, 100920, 107648, 111360, 121104, 133632, 134560, 151380, 161472, 167040, 201840, 215296, 222720, 242208, 269120, 302760, 322944, 334080, 403680, 430592, 484416, 538240, 605520, 645888, 668160, 807360, 968832, 1076480, 1211040, 1291776, 1614720, 1937664, 2152960, 2422080, 3229440, 3875328, 4844160, 6458880, 9688320, 19376640]

約数ペア:

[(1, 19376640), (2, 9688320), (3, 6458880), (4, 4844160), (5, 3875328), (6, 3229440), (8, 2422080), (9, 2152960), (10, 1937664), (12, 1614720), (15, 1291776), (16, 1211040), (18, 1076480), (20, 968832), (24, 807360), (29, 668160), (30, 645888), (32, 605520), (36, 538240), (40, 484416), (45, 430592), (48, 403680), (58, 334080), (60, 322944), (64, 302760), (72, 269120), (80, 242208), (87, 222720), (90, 215296), (96, 201840), (116, 167040), (120, 161472), (128, 151380), (144, 134560), (145, 133632), (160, 121104), (174, 111360), (180, 107648), (192, 100920), (232, 83520), (240, 80736), (256, 75690), (261, 74240), (288, 67280), (290, 66816), (320, 60552), (348, 55680), (360, 53824), (384, 50460), (435, 44544), (464, 41760), (480, 40368), (512, 37845), (522, 37120), (576, 33640), (580, 33408), (640, 30276), (696, 27840), (720, 26912), (768, 25230), (841, 23040), (870, 22272), (928, 20880), (960, 20184), (1044, 18560), (1152, 16820), (1160, 16704), (1280, 15138), (1305, 14848), (1392, 13920), (1440, 13456), (1536, 12615), (1682, 11520), (1740, 11136), (1856, 10440), (1920, 10092), (2088, 9280), (2304, 8410), (2320, 8352), (2523, 7680), (2560, 7569), (2610, 7424), (2784, 6960), (2880, 6728), (3364, 5760), (3480, 5568), (3712, 5220), (3840, 5046), (4176, 4640), (4205, 4608)]