19199120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 49818240

約数和(自身を除く): 30619120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 743, 760, 1292, 1360, 1486, 1520, 1615, 2584, 2972, 3230, 3715, 5168, 5944, 6460, 7430, 11888, 12631, 12920, 14117, 14860, 25262, 25840, 28234, 29720, 50524, 56468, 59440, 63155, 70585, 101048, 112936, 126310, 141170, 202096, 225872, 239989, 252620, 282340, 479978, 505240, 564680, 959956, 1010480, 1129360, 1199945, 1919912, 2399890, 3839824, 4799780, 9599560, 19199120]

約数ペア:

[(1, 19199120), (2, 9599560), (4, 4799780), (5, 3839824), (8, 2399890), (10, 1919912), (16, 1199945), (17, 1129360), (19, 1010480), (20, 959956), (34, 564680), (38, 505240), (40, 479978), (68, 282340), (76, 252620), (80, 239989), (85, 225872), (95, 202096), (136, 141170), (152, 126310), (170, 112936), (190, 101048), (272, 70585), (304, 63155), (323, 59440), (340, 56468), (380, 50524), (646, 29720), (680, 28234), (743, 25840), (760, 25262), (1292, 14860), (1360, 14117), (1486, 12920), (1520, 12631), (1615, 11888), (2584, 7430), (2972, 6460), (3230, 5944), (3715, 5168)]