19537080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 63478080

約数和(自身を除く): 43941000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 157, 170, 183, 204, 244, 255, 305, 314, 340, 366, 408, 471, 488, 510, 610, 628, 680, 732, 785, 915, 942, 1020, 1037, 1220, 1256, 1464, 1570, 1830, 1884, 2040, 2074, 2355, 2440, 2669, 3111, 3140, 3660, 3768, 4148, 4710, 5185, 5338, 6222, 6280, 7320, 8007, 8296, 9420, 9577, 10370, 10676, 12444, 13345, 15555, 16014, 18840, 19154, 20740, 21352, 24888, 26690, 28731, 31110, 32028, 38308, 40035, 41480, 47885, 53380, 57462, 62220, 64056, 76616, 80070, 95770, 106760, 114924, 124440, 143655, 160140, 162809, 191540, 229848, 287310, 320280, 325618, 383080, 488427, 574620, 651236, 814045, 976854, 1149240, 1302472, 1628090, 1953708, 2442135, 3256180, 3907416, 4884270, 6512360, 9768540, 19537080]

約数ペア:

[(1, 19537080), (2, 9768540), (3, 6512360), (4, 4884270), (5, 3907416), (6, 3256180), (8, 2442135), (10, 1953708), (12, 1628090), (15, 1302472), (17, 1149240), (20, 976854), (24, 814045), (30, 651236), (34, 574620), (40, 488427), (51, 383080), (60, 325618), (61, 320280), (68, 287310), (85, 229848), (102, 191540), (120, 162809), (122, 160140), (136, 143655), (157, 124440), (170, 114924), (183, 106760), (204, 95770), (244, 80070), (255, 76616), (305, 64056), (314, 62220), (340, 57462), (366, 53380), (408, 47885), (471, 41480), (488, 40035), (510, 38308), (610, 32028), (628, 31110), (680, 28731), (732, 26690), (785, 24888), (915, 21352), (942, 20740), (1020, 19154), (1037, 18840), (1220, 16014), (1256, 15555), (1464, 13345), (1570, 12444), (1830, 10676), (1884, 10370), (2040, 9577), (2074, 9420), (2355, 8296), (2440, 8007), (2669, 7320), (3111, 6280), (3140, 6222), (3660, 5338), (3768, 5185), (4148, 4710)]