19947079320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1249817}}^1$

素因数の和:1249857

約数の個数: 128

約数和(自身を含む): 71989516800

約数和(自身を除く): 52042437480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1249817, 2499634, 3749451, 4999268, 6249085, 7498902, 8748719, 9998536, 12498170, 14997804, 17497438, 18747255, 23746523, 24996340, 26246157, 29995608, 34994876, 37494510, 43743595, 47493046, 49992680, 52492314, 69989752, 71239569, 74989020, 87487190, 94986092, 104984628, 118732615, 131230785, 142479138, 149978040, 166225661, 174974380, 189972184, 209969256, 237465230, 262461570, 284958276, 332451322, 349948760, 356197845, 474930460, 498676983, 524923140, 569916552, 664902644, 712395690, 831128305, 949860920, 997353966, 1049846280, 1329805288, 1424791380, 1662256610, 1994707932, 2493384915, 2849582760, 3324513220, 3989415864, 4986769830, 6649026440, 9973539660, 19947079320]

約数ペア:

[(1, 19947079320), (2, 9973539660), (3, 6649026440), (4, 4986769830), (5, 3989415864), (6, 3324513220), (7, 2849582760), (8, 2493384915), (10, 1994707932), (12, 1662256610), (14, 1424791380), (15, 1329805288), (19, 1049846280), (20, 997353966), (21, 949860920), (24, 831128305), (28, 712395690), (30, 664902644), (35, 569916552), (38, 524923140), (40, 498676983), (42, 474930460), (56, 356197845), (57, 349948760), (60, 332451322), (70, 284958276), (76, 262461570), (84, 237465230), (95, 209969256), (105, 189972184), (114, 174974380), (120, 166225661), (133, 149978040), (140, 142479138), (152, 131230785), (168, 118732615), (190, 104984628), (210, 94986092), (228, 87487190), (266, 74989020), (280, 71239569), (285, 69989752), (380, 52492314), (399, 49992680), (420, 47493046), (456, 43743595), (532, 37494510), (570, 34994876), (665, 29995608), (760, 26246157), (798, 24996340), (840, 23746523), (1064, 18747255), (1140, 17497438), (1330, 14997804), (1596, 12498170), (1995, 9998536), (2280, 8748719), (2660, 7498902), (3192, 6249085), (3990, 4999268), (5320, 3749451), (7980, 2499634), (15960, 1249817)]