19392920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 49377600

約数和(自身を除く): 29984680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 79, 85, 95, 136, 152, 158, 170, 190, 316, 323, 340, 361, 380, 395, 632, 646, 680, 722, 760, 790, 1292, 1343, 1444, 1501, 1580, 1615, 1805, 2584, 2686, 2888, 3002, 3160, 3230, 3610, 5372, 6004, 6137, 6460, 6715, 7220, 7505, 10744, 12008, 12274, 12920, 13430, 14440, 15010, 24548, 25517, 26860, 28519, 30020, 30685, 49096, 51034, 53720, 57038, 60040, 61370, 102068, 114076, 122740, 127585, 142595, 204136, 228152, 245480, 255170, 285190, 484823, 510340, 570380, 969646, 1020680, 1140760, 1939292, 2424115, 3878584, 4848230, 9696460, 19392920]

約数ペア:

[(1, 19392920), (2, 9696460), (4, 4848230), (5, 3878584), (8, 2424115), (10, 1939292), (17, 1140760), (19, 1020680), (20, 969646), (34, 570380), (38, 510340), (40, 484823), (68, 285190), (76, 255170), (79, 245480), (85, 228152), (95, 204136), (136, 142595), (152, 127585), (158, 122740), (170, 114076), (190, 102068), (316, 61370), (323, 60040), (340, 57038), (361, 53720), (380, 51034), (395, 49096), (632, 30685), (646, 30020), (680, 28519), (722, 26860), (760, 25517), (790, 24548), (1292, 15010), (1343, 14440), (1444, 13430), (1501, 12920), (1580, 12274), (1615, 12008), (1805, 10744), (2584, 7505), (2686, 7220), (2888, 6715), (3002, 6460), (3160, 6137), (3230, 6004), (3610, 5372)]