18809780480

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{506729}}^1$

素因数の和:506779

約数の個数: 72

約数和(自身を含む): 46609025400

約数和(自身を除く): 27799244920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4640, 7424, 9280, 18560, 37120, 506729, 1013458, 2026916, 2533645, 4053832, 5067290, 8107664, 10134580, 14695141, 16215328, 20269160, 29390282, 32430656, 40538320, 58780564, 64861312, 73475705, 81076640, 117561128, 129722624, 146951410, 162153280, 235122256, 293902820, 324306560, 470244512, 587805640, 648613120, 940489024, 1175611280, 1880978048, 2351222560, 3761956096, 4702445120, 9404890240, 18809780480]

約数ペア:

[(1, 18809780480), (2, 9404890240), (4, 4702445120), (5, 3761956096), (8, 2351222560), (10, 1880978048), (16, 1175611280), (20, 940489024), (29, 648613120), (32, 587805640), (40, 470244512), (58, 324306560), (64, 293902820), (80, 235122256), (116, 162153280), (128, 146951410), (145, 129722624), (160, 117561128), (232, 81076640), (256, 73475705), (290, 64861312), (320, 58780564), (464, 40538320), (580, 32430656), (640, 29390282), (928, 20269160), (1160, 16215328), (1280, 14695141), (1856, 10134580), (2320, 8107664), (3712, 5067290), (4640, 4053832), (7424, 2533645), (9280, 2026916), (18560, 1013458), (37120, 506729)]