19990470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2109

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 33508410

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2063, 3230, 4126, 4845, 6189, 9690, 10315, 12378, 20630, 30945, 35071, 39197, 61890, 70142, 78394, 105213, 117591, 175355, 195985, 210426, 235182, 350710, 391970, 526065, 587955, 666349, 1052130, 1175910, 1332698, 1999047, 3331745, 3998094, 6663490, 9995235, 19990470]

約数ペア:

[(1, 19990470), (2, 9995235), (3, 6663490), (5, 3998094), (6, 3331745), (10, 1999047), (15, 1332698), (17, 1175910), (19, 1052130), (30, 666349), (34, 587955), (38, 526065), (51, 391970), (57, 350710), (85, 235182), (95, 210426), (102, 195985), (114, 175355), (170, 117591), (190, 105213), (255, 78394), (285, 70142), (323, 61890), (510, 39197), (570, 35071), (646, 30945), (969, 20630), (1615, 12378), (1938, 10315), (2063, 9690), (3230, 6189), (4126, 4845)]